请输入您要查询的英文单词:

 

单词 tow-net
释义

tow-netn.

Brit. /ˈtəʊnɛt/, U.S. /ˈtoʊˌnɛt/
Origin: Formed within English, by compounding. Etymons: tow n.4, tow v.1, net n.1
Etymology: < either tow n.4 or tow v.1 + net n.1 Compare towing-net n. at towing n.1 Compounds 2. Compare earlier dragnet n.
A net towed by a vessel in order to collect specimens in the water; (in later use) spec. a plankton net.
ΘΚΠ
the world > life > biology > collection or conservation of natural specimens > [noun] > equipment for collecting or preserving
towing-net1816
tow-net1816
field book1840
sky-hook1934
1816 J. K. Tuckey Narr. Exped. River Zaire (1818) i. 9 The tow-net was put overboard, and collected some of these animals.
1817 Lit. Gaz. 16 Aug. 98/1 As yet their studies were confined to the examination of animals taken in the tow-net.
1883 C. F. Holder in Harper's Mag. Jan. 186/2 Dr. Bennet..captured a specimen in a tow-net.
1953 H. Mellanby Animal Life in Fresh Water (ed. 5) vii. 83 It is found in the surface waters, the only easy way to get specimens being to use a tow-net attached to a small boat.
1990 Sci. Amer. Mar. 69/2 The continuous ram feeders..have been described as tow-net filter feeders because their method of feeding appears similar to the workings of the plankton nets towed by oceanographers.
2012 Pop. Mech. (Nexis) Feb. 64 Bernard holds the rope attached to a tow net taut while Funkey ties a knot with the slack.
This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022).

tow-netv.

Brit. /ˈtəʊnɛt/, U.S. /ˈtoʊˌnɛt/
Origin: Formed within English, by conversion. Etymon: tow-net n.
Etymology: < tow-net n. Compare slightly earlier tow-netting n.
transitive. To sample (water) with a tow-net; to collect (a specimen) in a tow-net. Also intransitive: to collect specimens with a tow-net.
ΘΚΠ
the world > life > biology > collection or conservation of natural specimens > [verb (transitive)] > trap or collect using nets
tow-net1891
rocket-net1952
the world > food and drink > hunting > fishing > type or method of fishing > [verb (intransitive)] > fish with net > with trawl-nets
trawl1561
saw1630
beam-trawl1883
tow-net1891
pair trawl1977
1891 Nature 23 July 274/1 While townetting during the last few days about the North Cape, we have had some large hauls of Copepoda.
1894 Q. Rev. Apr. 367 The direct evidence of tow-netting the upper layers of water with fine silk nets.
1901 Proc. Royal Soc. 68 211 Fig. 1 represents the youngest nauplius tow-netted.
1958 Irish Naturalists' Jrnl. 12 221 She [sc. Maude Jane Delap] tow-netted planktonic forms for many years.
2011 E. J. Larson Empire of Ice iv. 125 It [sc. the Nimrod expedition] tow-netted for plankton in the Ross Sea.

Derivatives

ˈtow-netter n. rare a person who uses a tow-net.
ΚΠ
1899 Geogr. Jrnl. Feb. 153 There are two schools of tow~netters: the old-fashioned method..by which the nets are towed horizontally; and the new method, by which an opening and closing net is let down as vertically as may be, and hauled in open through a given vertical area and then closed.
1905 Trans. Linn. Soc.: Zool. 10 128 It is in the experience of every tow-netter that a wide-meshed net, which allows of a faster current through it, catches more of such organisms [sc. strong-swimming plankton species] than a fine-meshed net, in which the current is reduced.
This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022).
<
n.1816v.1891
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/24 3:33:33