Petersen grabn.

Brit.

/ˈpiːtəs(ə)n ˌɡrab/, U.S.

/ˈpidərs(ə)n ˌɡræb/

Origin: From a proper name, combined with an English element. Etymons: proper name Petersen , grab n.²

Etymology: < the name of Carl Georg Johan Petersen (1860–1928), Danish marine biologist, who invented it + grab n.²Petersen first described the grab in 1911 ( Rep. Danish Biol. Station 20 47).

A kind of mechanical grab for obtaining a sample of the bed of a body of water, consisting of two jaws semicircular in vertical cross-section and hinged along the top, arranged so as to close automatically on contact with the bottom.

ΘΚΠ

society > occupation and work > equipment > other specific types of equipment > [noun] > equipment for use on seabed

creeper?a1400

tangle1882

creep1889

Petersen grab1923

snapper grab1925

sled1939

piston sampler1946

piston core sampler1947

piston corer1954

hydrocast1960

1923 Sci. Investigations, 1922 (Fishery Board Scotland) iii. 1 (title) Preliminary survey of the Scottish waters of the North Sea by the Petersen grab.

1950 Biol. Rev. 25 309 The Petersen grab will only produce reliable results on the softer bottoms.

1970 tr. J. Schwoerbel Methods Hydrobiol. iv. 118 In larger rivers the Petersen grab can be used... The grab weighs 40 kg.

1999 Continental Shelf Res. 19 775 A total of 111 Petersen grab sediment samples..were analyzed.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	petersen grab
释义	Petersen grabn. Brit. /ˈpiːtəs(ə)n ˌɡrab/, U.S. /ˈpidərs(ə)n ˌɡræb/ Origin: From a proper name, combined with an English element. Etymons: proper name Petersen , grab n.² Etymology: < the name of Carl Georg Johan Petersen (1860–1928), Danish marine biologist, who invented it + grab n.²Petersen first described the grab in 1911 ( Rep. Danish Biol. Station 20 47). A kind of mechanical grab for obtaining a sample of the bed of a body of water, consisting of two jaws semicircular in vertical cross-section and hinged along the top, arranged so as to close automatically on contact with the bottom. ΘΚΠ society > occupation and work > equipment > other specific types of equipment > [noun] > equipment for use on seabed creeper?a1400 tangle1882 creep1889 Petersen grab1923 snapper grab1925 sled1939 piston sampler1946 piston core sampler1947 piston corer1954 hydrocast1960 1923 Sci. Investigations, 1922 (Fishery Board Scotland) iii. 1 (title) Preliminary survey of the Scottish waters of the North Sea by the Petersen grab. 1950 Biol. Rev. 25 309 The Petersen grab will only produce reliable results on the softer bottoms. 1970 tr. J. Schwoerbel Methods Hydrobiol. iv. 118 In larger rivers the Petersen grab can be used... The grab weighs 40 kg. 1999 Continental Shelf Res. 19 775 A total of 111 Petersen grab sediment samples..were analyzed. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < n.1923
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