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TOEFL BNC: 20326 COCA: 17219

cog

Word family 
Related topics: Technology, Mechanical
cog /kɒɡ $ kɑːɡ/ noun [countableC]  
1. Ta wheel with small bits sticking out around the edge that fit together with the bits of another wheel as they turn in a machine 齿轮
2. Tone of the small bits that stick out on a cog 嵌齿，轮齿
3. a cog in the machine/wheel UNIMPORTANTsomeone who only has a small unimportant job in a large organization 〔大机构中的〕无足轻重的人物，小人物
Examples from the Corpus
cog• When processes are so complex nobody really understands them, employees feel like anonymous cogs in a big machine.• The lime kiln belly rotated on giant cogs into the dark of the next chamber.• He's joined the Liberal Party, and now he's a very important cog in the cabinet.• I hear them in there pry up his forehead like a manhole cover, clash and snarl of jammed cogs.• They were like cogs working together, fitting into place when and where they were needed.• Our cog was a sturdy merchantman escorted by a small man-of-war.• Silver Reed and Knitmaster owners should make sure the patterning cogs spin freely.• The steering is pin sharp and the delicate gearshift absolutely superb, swapping the cogs with a velvet action.
Origin cog
(1200-1300) From a Scandinavian language
cog noun
Chinese
Corpus
TOEFL BNC: 20326 COCA: 17219
TOEFL BNC: 20326 COCA: 17219
TOEFL BNC: 20326 COCA: 17219
cog
Parts of machines and machinery: ancillary, ball bearing, bearing...
Unimportant person or people: nonentity, lightweight, mediocrity...

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