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HOLLOW SHELL [6 records]

Record 1 2018-04-24

English

Subject field(s)
  • Antique and Obsolete Weapons
  • Guns (Naval)
  • Guns (Land Forces)
DEF

A spherical projectile filled with gunpowder and grapeshot that exploded on impact.

CONT

Hollow shot are fired from shell guns, and were introduced chiefly for the naval service, their advantages over solid shot being : 1) their large diameter, with comparatively small weight; 2) that they can be fired from lighter guns; 3) that they require a less charge of powder.

French

Domaine(s)
  • Armes anciennes
  • Canons (Navires)
  • Canons (Forces terrestres)
DEF

Projectile sphérique rempli de poudre et de mitraille qui explosait au point d'impact.

Spanish

Save record 1

Record 2 2016-02-25

English

Subject field(s)
  • Casting and Patternmaking (Metal Processing)
CONT

The pierced billet or hollow shell is rolled by a mandrel mill [that reduces its] outside diameter and wall thickness [and] forms a multiple length mother tube.

PHR

Seamless hollow shell.

French

Domaine(s)
  • Moulage et modelage des métaux
PHR

Ébauche creuse sans soudure.

Spanish

Save record 2

Record 3 2012-06-13

English

Subject field(s)
  • Lichens
Universal entry(ies)
OBS

A lichen of the family Monoblastiaceae.

French

Domaine(s)
  • Lichens
Entrée(s) universelle(s)
OBS

Lichen de la famille des Monoblastiaceae.

Spanish

Save record 3

Record 4 2011-07-15

English

Subject field(s)
  • Paleontology
CONT

The impression of skeletal remains in adjoining rock constitutes ... an internal mould, if the impression reveals the form and markings of inner surfaces.

CONT

Few organisms are preserved entire in the rocks; only the hard parts, such as shells and bones, as a rule endure. These parts may be preserved unchanged, but commonly the material out of which they were built by the organism has been dissolved by circulating solutions... The shell or hard part may even be wholly removed, and only an imprint or hollow mold be left in the rock. A natural mold of this sort may later become filled with mineral matter, and this filling thus forms a copy or natural cast of the organic object.

Key term(s)
  • interior mold

French

Domaine(s)
  • Paléontologie
CONT

[...] la coquille peut [...] disparaître et le moule interne ou le moule externe peuvent seuls être conservés; [...]

CONT

[...] le fossile ayant été postérieurement dissout par des solutions minérales corrosives, son remplissage interne, minéralisé (occupant la place de la masse viscérale) a subsisté : c'est un moule interne.

CONT

[...] l'anatomie des Brachiopodes et des Bivalves fossiles est connue par les moules internes, qui présentent entre autre de magnifiques empreintes de muscles dorsiventraux attachant l'animal à sa coquille.

OBS

[...] le remplissage de la coquille par le sédiment [...] laisse une empreinte de la forme interne de l'organisme [...]

Spanish

Save record 4

Record 5 2010-07-08

English

Subject field(s)
  • Boring (Machine-Tooling)
DEF

A process used to increase the inside diameter of a hollow piece, such as a tube, cup or shell.

French

Domaine(s)
  • Alésage (Usinage)
DEF

Fait de dilater un tube métallique en forçant l'intérieur de ce tube.

CONT

Le dudgeonnage est une opération qui consiste à immobiliser un tube dans l'alésage d'une plaque par expansion mécanique à froid.

OBS

On parle aussi de «dudgeonner» (verbe), «dudgeonné» (adj.), et «dudgeon» (outil servant au dudgeonnage).

Spanish

Save record 5

Record 6 1976-06-19

English

Subject field(s)
  • Electric Motors

French

Domaine(s)
  • Moteurs électriques

Spanish

Save record 6

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