There are 2 definitions of hm in English:

hm

Line breaks: hm

abbreviation

Hectometre(s).

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Word of the day conspicuous
Pronunciation: kənˈspikyo͞oəs
adjective
standing out so as to be clearly visible

There are 2 definitions of hm in English:

HM

Line breaks: HM

abbreviation

1Headmaster or headmistress.
1.1British Heavy metal (music).
1.2(In the UK) Her or His Majesty('s): HM Forces

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