Imprecise but close to in quantity or amount.

plural of approximator

adjacently / contiguously

Approaching; proximate; nearly resembling. / Nearing correctness; nearly exact; not perfectly accurate.

(transitive, intransitive) To estimate. / (transitive) To come near to; to approach. / (transitive) To carry or advance near; to cause to approach.

(phonetics) A consonant sound made by slightly narrowing the vocal tract, while still allowing a smooth flow of air. Liquids and glides are approximants.

plural of approximative

Near or adjacent / Contiguous

The act, process or result of approximating. / (mathematics) An imprecise solution or result that is adequate for a defined purpose.

plural of approximant