Associations to the word «Hm»

Wiktionary

HM, symbol. (metrology) Symbol for the hectometer (hectometre), an SI unit of length equal to 102 meters (metres).
HM, interjection. Alternative form of hmm
HM, symbol. The ISO 3166-1 two-letter (alpha-2) code for Heard Island and McDonald Islands.

Dictionary definition

HM, noun. A metric unit of length equal to 100 meters.

Wise words

Every once in a while, you let a word or phrase out and you want to catch it and bring it back. You can't do that. It's gone, gone forever.
Dan Quayle