k

Reading level: hard

Estimated CEFR level: C1 — Advanced

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites
  2. noun a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
  3. noun the cardinal number that is the product of 10 and 100

Etymology

From kilo-.

In classic literature

Synonyms

kelvin

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