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Acrid Adjective At  Taste Bitter  An  Ac·Rid  Modification

Title Acrid
Text
Merriam-Webster's Collegiate Dictionary
ac·rid
\\ˈa-krəd\\ adjective
 ETYMOLOGY  modification of Latin acr-, acer sharp — more at 
edge
 DATE  1712
1. sharp and harsh or unpleasantly pungent in taste or odor : irritating
2. deeply or violently bitter : 
acrimonious

    an acrid denunciation
Synonyms: see 
caustic

• acrid·i·ty \\a-ˈkri-də-tē, ə-\\ noun
• ac·rid·ly \\ˈa-krəd-lē\\ adverb
• ac·rid·ness noun
English Etymology
acrid
  1712, from L. acer (fem. acris) "sharp, pungent, bitter, eager, fierce," from PIE *ak-ri-, from base *ak- "be sharp, rise (out) to a point, pierce" (cf. Oscan acrid "sharply;" Gk. akis "sharp point," akros "at the farthest point, highest, pointed," akantha "thorn," akme "summit, edge;" also oxys "sharp, bitter;" Skt. acri- "corner, edge," acani- "point of an arrow," asrih "edge;" Lith. asmuo "sharpness," akstis "sharp stick;" 
O.Ir
http://O.Ir
.
 er "high;" Welsh ochr "edge, corner, border;" O.N. eggja "goad;" O.E. ecg "sword"). The-id suffix probably is in imitation of acid.
Oxford Advanced Learner's Dictionary-牛津双解-OALD7
acrid
acrid 5Akrid / adjective   having a strong, bitter smell or taste that is unpleasant
   (气、味)辛辣的,难闻的,刺激的
   SYN  
pungent
 :
   acrid smoke from burning tyres 
   燃烧轮胎产生的刺鼻气味 
 note at 
bitter
OLT
acrid adj.
⇨ bitter 1
Webster's Third New International Dictionary, Unabridged
ac·rid
\ˈakrə̇d\ adjective
(usually -er/-est)
Etymology: modification (influenced by acid) of Latin acr-, acer sharp — more at 
edge

1. : unpleasantly or irritatingly sharp or strong to the taste
 < strong brine is acrid >
 acrid alum >
or to the smell
 acrid sulfur fumes >
: stingingly bitter : 
caustic

2. : deeply or violently bitter : excessively caustic, rancorous, or acrimonious
 < an acrid temper >
 < an acrid denunciation >
Synonyms: see 
bitter

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