TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
EPIPEDON [9 records]
Record 1 - internal organization data 2010-11-23
Record 1, English
Record 1, Subject field(s)
- Soil Science
- Geology
Record 1, Main entry term, English
- mollic epipedon
1, record 1, English, mollic%20epipedon
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
[Mollic epipedon is] a thick, dark surface layer, more than 50 per cent base saturated(dominantly with bivalent cations), having a narrow C/N ratio(17/1 or less in virgin state and 13/1 and less with cultivated soils), a strong soil structure, a relatively soft consistency when dry, and less than 250 ppm of P2O5 soluble in critic acid. 1, record 1, English, - mollic%20epipedon
Record 1, French
Record 1, Domaine(s)
- Science du sol
- Géologie
Record 1, Main entry term, French
- épipédon mollique
1, record 1, French, %C3%A9pip%C3%A9don%20mollique
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
«Parmi les épipédons», la 7e Approximation distingue les formes suivantes d'accumulation d'humus : - «l'épipédon mollique» à humus calcique [...] 1, record 1, French, - %C3%A9pip%C3%A9don%20mollique
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2004-10-20
Record 2, English
Record 2, Subject field(s)
- Soil Science
Record 2, Main entry term, English
- epipedon
1, record 2, English, epipedon
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A diagnostic surface horizon which includes the upper part of the soil that is darkened by organic matter, or the upper eluvial horizons or both. 2, record 2, English, - epipedon
Record 2, French
Record 2, Domaine(s)
- Science du sol
Record 2, Main entry term, French
- épipédon
1, record 2, French, %C3%A9pip%C3%A9don
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
[...] horizons diagnostic de surface plus ou moins imprégnés d'humus: ils correspondent à l'ensemble des horizons A, parfois même à la partie supérieure de B, s'il est imprégné d'humus. 2, record 2, French, - %C3%A9pip%C3%A9don
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Ciencia del suelo
Record 2, Main entry term, Spanish
- epipedon
1, record 2, Spanish, epipedon
masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
- epipedión 2, record 2, Spanish, epipedi%C3%B3n
masculine noun
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Horizonte orgánico superficial. 3, record 2, Spanish, - epipedon
Record 3 - internal organization data 1998-09-30
Record 3, English
Record 3, Subject field(s)
- Soil Mechanics (Engineering)
- Soil Science
- Soil Tests (Construction)
Record 3, Main entry term, English
- triaxial shear test
1, record 3, English, triaxial%20shear%20test
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- triaxial compression test 2, record 3, English, triaxial%20compression%20test
correct
- triaxial test 3, record 3, English, triaxial%20test
correct
- confined compression test 4, record 3, English, confined%20compression%20test
correct
- TC test 5, record 3, English, TC%20test
correct
- cylinder test 6, record 3, English, cylinder%20test
correct
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
a test in which a cylindrical specimen of soil umbric epipedon encased in an impervious membrane is subjected to a confining pressure and then loaded. 7, record 3, English, - triaxial%20shear%20test
Record 3, French
Record 3, Domaine(s)
- Mécanique des sols
- Science du sol
- Essais du sol (Construction)
Record 3, Main entry term, French
- essai de cisaillement à l'appareil triaxial
1, record 3, French, essai%20de%20cisaillement%20%C3%A0%20l%27appareil%20triaxial
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- essai de compression triaxiale 2, record 3, French, essai%20de%20compression%20triaxiale
correct, masculine noun
- essai à l'appareil triaxial 1, record 3, French, essai%20%C3%A0%20l%27appareil%20triaxial
correct, masculine noun
- essai triaxial 3, record 3, French, essai%20triaxial
correct, masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Essai dans lequel un échantillon de sol cylindrique, enveloppé dans une membrane étanche, est soumis à une étreinte latérale puis chargé axialement jusqu'à rupture. 2, record 3, French, - essai%20de%20cisaillement%20%C3%A0%20l%27appareil%20triaxial
Record number: 3, Textual support number: 1 CONT
Essai de cisaillement à l'appareil triaxial (...) L'éprouvette de sol, en forme de tronc de cylindre (...) est placée sur une embase métallique munie d'une pierre poreuse, à l'intérieur d'une enceinte étanche en plexiglas. Sur sa surface latérale, l'éprouvette est entourée d'une enveloppe imperméable. On exerce : une pression hydrostatique (...), une force verticale (...) 1, record 3, French, - essai%20de%20cisaillement%20%C3%A0%20l%27appareil%20triaxial
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1977-08-26
Record 4, English
Record 4, Subject field(s)
- Soil Science
- Geology
Record 4, Main entry term, English
- ochric epipedon
1, record 4, English, ochric%20epipedon
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 OBS
[The ochric epipedon is] A light-colored surface horizon generally low in organic matter which includes the eluvial layers near the surface. It is often hard and massive when dry. Although characteristic of Aridisols, it is found in several of the other soil orders. 2, record 4, English, - ochric%20epipedon
Record 4, French
Record 4, Domaine(s)
- Science du sol
- Géologie
Record 4, Main entry term, French
- épipédon ochrique
1, record 4, French, %C3%A9pip%C3%A9don%20ochrique
correct
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 OBS
"Parmi les épipédons", la 7e Approximation distingue les formes suivantes d'accumulation d'humus: (...) "l'épipédon ochrique": horizon de surface pauvre en matière organique (...) 2, record 4, French, - %C3%A9pip%C3%A9don%20ochrique
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1977-08-26
Record 5, English
Record 5, Subject field(s)
- Soil Science
- Geology
Record 5, Main entry term, English
- umbric epipedon
1, record 5, English, umbric%20epipedon
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 OBS
[Umbric epipedon is] a thick, dark surface layer which is less than 50 per cent saturated with bases. And soils have umbric epipedons. 1, record 5, English, - umbric%20epipedon
Record 5, French
Record 5, Domaine(s)
- Science du sol
- Géologie
Record 5, Main entry term, French
- épipédon umbrique
1, record 5, French, %C3%A9pip%C3%A9don%20umbrique
correct
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 OBS
"Parmi les épipédons", la 7e Approximation distingue les formes suivantes d'accumulation d'humus. (...) "l'épipédon umbrique" à humus acide (...) 1, record 5, French, - %C3%A9pip%C3%A9don%20umbrique
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 1977-08-26
Record 6, English
Record 6, Subject field(s)
- Soil Science
- Geology
Record 6, Main entry term, English
- anthropic epipedon
1, record 6, English, anthropic%20epipedon
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 OBS
[Anthropic epipedon is] a thick, dark surface horizon, which is more than 50 per cent saturated with bases, has a narrow CIN ratio and more than 250 ppm of P2O5 soluble in citric acid. It is formed under long continued cultivation where large amounts of organic matter and fertilizers have been added. 2, record 6, English, - anthropic%20epipedon
Record 6, French
Record 6, Domaine(s)
- Science du sol
- Géologie
Record 6, Main entry term, French
- épipédon anthropique
1, record 6, French, %C3%A9pip%C3%A9don%20anthropique
correct
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 OBS
"Parmi les épipédons", la 7e Approximation distingue les formes suivantes d'accumulation d'humus: (...) "l'épipédon anthropique et l'épipédon de plaggen" dus à l'influence anthropique. 2, record 6, French, - %C3%A9pip%C3%A9don%20anthropique
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 1977-08-26
Record 7, English
Record 7, Subject field(s)
- Soil Science
- Geology
Record 7, Main entry term, English
- histic epipedon
1, record 7, English, histic%20epipedon
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 OBS
[Histic epipedon is] A horizon at or near the surface, saturated with water at some season and containing a minimum of 20 per cent organic matter if no clay is present and at least 30 percent organic matter if it has 50 per cent or more of clay. 1, record 7, English, - histic%20epipedon
Record 7, French
Record 7, Domaine(s)
- Science du sol
- Géologie
Record 7, Main entry term, French
- épipédon histique
1, record 7, French, %C3%A9pip%C3%A9don%20histique
correct
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 OBS
"Parmi les épipédons", la 7e Approximation distingue les formes suivantes d'accumulation d'humus: (...) "l'épipédon histique": accumulation organique d'origine hydromorphe (tourbe) (...) 1, record 7, French, - %C3%A9pip%C3%A9don%20histique
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 1977-08-26
Record 8, English
Record 8, Subject field(s)
- Soil Science
- Geology
Record 8, Main entry term, English
- plaggen epipedon
1, record 8, English, plaggen%20epipedon
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
Record 8, Textual support, English
Record number: 8, Textual support number: 1 OBS
[Plaggen epipedon is a] Man-made surface layer more than 20 inches thick and produced by long continued manuring. Common in Europe but unknown in the U. S. 2, record 8, English, - plaggen%20epipedon
Record 8, French
Record 8, Domaine(s)
- Science du sol
- Géologie
Record 8, Main entry term, French
- épipédon de plaggen
1, record 8, French, %C3%A9pip%C3%A9don%20de%20plaggen
correct
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record number: 8, Textual support number: 1 OBS
"Parmi les épipédons", la 7e Approximation distingue les formes suivantes d'accumulation d'humus: (...) "l'épipédon anthropique et l'épipédon de plaggen" dus à l'influence anthropique. 2, record 8, French, - %C3%A9pip%C3%A9don%20de%20plaggen
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 1975-03-11
Record 9, English
Record 9, Subject field(s)
- Soil Science
Record 9, Main entry term, English
- umbric epipedon 1, record 9, English, umbric%20epipedon
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 DEF
A thick, dark surface layer which is less than 50 per cent saturated with bases. 1, record 9, English, - umbric%20epipedon
Record number: 9, Textual support number: 1 CONT
Ando soils have umbric epipedon. 1, record 9, English, - umbric%20epipedon
Record 9, French
Record 9, Domaine(s)
- Science du sol
Record 9, Main entry term, French
- épipedon umbrique
1, record 9, French, %C3%A9pipedon%20umbrique
masculine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 OBS
Comparable en tous points à l'épipedon mollique, mais la saturation en bases est inférieure à 50 % et le rapport C/N est supérieur à 17. 1, record 9, French, - %C3%A9pipedon%20umbrique
Record 9, Spanish
Record 9, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2025
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.
Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.
- Date Modified: