Words / I / Medicine

impression

/ɪmˈprɛʃən/

A2CEFR level
15/100Rarity: common
TechnicalRegister

Medicine noun

A negative mould of the teeth and gums used to make a model or appliance.

I'll take an impression today so the laboratory can construct your crown.

Similar: mould

Topic: Dentistry in Medical English

Business noun

A single instance of an advertisement or piece of content being displayed to a user.

The banner racked up two million impressions but almost no clicks, so the creative isn't working.

Topic: Marketing in Business English

Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.

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More medicine words: Dentistry