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butterfly (n.)

鳞翅目昆虫的俗称,在日光下活动,古英语 buttorfleoge ,显然是 butter (n.)+ fly (n.),但这个名字的含义不明显。也许是基于古老的概念,即昆虫(或者,根据格林姆的说法,女巫伪装成蝴蝶)食用未被覆盖的黄油或牛奶。或者,不太有创意的是,仅仅因为许多物种的翅膀的淡黄色暗示了黄油的颜色。另一种理论将其与昆虫排泄物的颜色联系起来,基于荷兰的同源 boterschijte 。另见 papillon

从17世纪开始应用于人,最初是指虚荣和艳丽的装束,到1806年是指从早期的低级状态转化而来的,到1873年是指飘忽不定的倾向。从1935年开始,游泳的行程如此称呼。作为机械螺母的一种,1869年。 Butterflies "焦虑引起的轻微胃痉挛"出自1908年。"谁在轮子上打破了一只蝴蝶?"出自波普。

The butterfly effect is a deceptively simple insight extracted from a complex modern field. As a low-profile assistant professor in MIT's department of meteorology in 1961, [Edward] Lorenz created an early computer program to simulate weather. One day he changed one of a dozen numbers representing atmospheric conditions, from .506127 to .506. That tiny alteration utterly transformed his long-term forecast, a point Lorenz amplified in his 1972 paper, "Predictability: Does the Flap of a Butterfly's Wings in Brazil Set Off a Tornado in Texas?" [Peter Dizikes, "The Meaning of the Butterfly," The Boston Globe, June 8, 2008]

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Definitions of butterfly from WordNet
1
butterfly (v.)
flutter like a butterfly;
butterfly (v.)
cut and spread open, as in preparation for cooking;
butterfly (v.)
talk or behave amorously, without serious intentions;
Synonyms: chat up / flirt / dally / coquet / coquette / romance / philander / mash
2
butterfly (n.)
diurnal insect typically having a slender body with knobbed antennae and broad colorful wings;
butterfly (n.)
a swimming stroke in which the arms are thrown forward together out of the water while the feet kick up and down;
Synonyms: butterfly stroke
From wordnet.princeton.edu