plumb

Pronunciation

• enPR: plŭm, IPA ^(key): /plʌm/

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• Homophone(s): plum

Adjective

Positive plumb

Comparative none

Superlative none

1. truly vertical

   if an endlessly long line was plumb, then it would go through the center of the Earth

Adverb

Positive plumb

Comparative none

Superlative none

1. in a truly vertical direction

   same as the adjective meaning

Noun

Singular plumb

Plural none

1. a heavy piece of lead attached to string used to tell whether a line is truly vertical

Verb

Plain form plumb

Third-person singular plumbs

Past tense plumbed

Past participle plumbed

Present participle plumbing

1. If you plumb a liquid, you determine its depth.