cancel

abolish, cancel, repeal

名词 cancel:

1. a notation cancelling a previous sharp or flat
   同义词：natural

动词 cancel:

1. postpone indefinitely or annul something that was scheduled
   同义词：call off, scratch, scrub
2. make up for
   同义词：offset, set off
3. declare null and void; make ineffective
   同义词：strike down
4. remove or make invisible
   同义词：delete
5. make invalid for use
   同义词：invalidate

1. If the worst comes to the worst, we'll have to cancel our holiday plans.
   要是情况不妙，我们就只好取消度假计画了。
2. The heavy workload forced me to cancel the camping trip.
   繁重的工作量迫使我取消去露营。
3. Her kindness and generosity cancel out her occasional flashes of temper.
   她为人厚道、慷慨大方，倒也弥补了她偶尔发点儿脾气。
4. These arguments cancel each other out.
   这些争论彼此势均力敌。
5. The match had to be cancelled because of bad weather.
   比赛因天气不好只得取消。
6. He cancelled his order.
   他撤消了定货单。

can.cel

v.（动词）
can.celed 也作 can.celled can.cel.ing can.cel.ling can.cels can.cels
v.tr.（及物动词）
To cross out with lines or other markings.See Synonyms at erase
撤消，使无效：用线条或其它标记划去参见 erase
To annul or invalidate.
取消，使无效
To mark or perforate (a postage stamp or check, for example) to indicate that it may not be used again.
盖邮戳：给（如一张邮票或支票）划上标记或打孔，以示它不能再被使用
To equalize or make up for; offset:
抵消，中和：补偿或弥补；抵消：
例句：
Today`s decline in stock price canceled out yesterday`s gain.
今天股票价格下跌，抵消了昨天的收益

Mathematics
【数学】
To remove (a common factor) from the numerator and denominator of a fractional expression.
约分：从一个分数表达式的分子和分母去掉（一个公因子）
To remove (a common factor or term) from both sides of an equation or inequality.
约去；消去：从一个方程式或不等式的两边去掉（一个公因子或公共项）
Printing To omit or delete.
【印刷术】 略去，删去
v.intr.（不及物动词）
To neutralize one another; counterbalance:
抵消，中和：使彼此中和；抵消：
例句：
two opposing forces that canceled out.
两股相互抵消的相反力量

n.（名词）
The act or an instance of canceling; a cancellation.
削除：削除的行为或事例；撤销
Printing
【印刷术】
Deletion of typed or printed matter.
注销：删除打印的或印刷的内容
The matter deleted.
被注销的内容
A replacement for deleted matter.
替代被注销内容的东西

来源：
Middle English cancellen
中古英语 cancellen
from Old French canceller
源自 古法语 canceller
from Latin cancell3re [to cross out]
源自 拉丁语 cancell3re [划掉]
from cancellus [lattice] [diminutive of] cancer [lattice]
源自 cancellus [格子] [] cancer的小后缀 [格子]

【引伸】
can.celable
adj.（形容词）
can.celer
n.（名词）