чем meaning in English — as, than

English meaning

as conj Used to compare two things that are equal, alike, or happening at the same time.
than conj Used to introduce the second part of a comparison.

чем is used for these senses in English:

as (formal, somewhat, dated) For example; for instance. (Compare such as.)
as (dated) Introducing a comparison with a hypothetical state (+ subjunctive, or with the verb elided): as though, as if. [to 19th century]
as (unit of weight) A libra.
as Introducing a basis of comparison, with an object in the objective case.
than Introduces a comparison, and is associated with comparatives, and with words such as more, less, and fewer. Typically, it seeks to measure the force of an adjective or similar description between two predicates.

conj Used to compare two things that are equal, alike, or happening at the same time.
conj Because; since (giving a reason).
prep In the role or function of.
adv Used before an adjective or adverb in comparisons of equal degree, typically paired with a second "as".

Аш как так ас асс в то вре́мя как как то́лько поско́льку в в ка́честве когда́ по ме́ре того́ как