MMH

abbreviation for

, Chemistry.

1. monomethylhydrazine: a highly toxic and possibly carcinogenic compound, CH 3 (NH)NH 2 , a derivative of hydrazine used as a propellant in hypergolic rocket engine fuel.

Word History and Origins

Origin of MMH¹

First recorded in 1960–65

Example Sentences

Sanders brought a convivial generosity and enthusiasm to group discussions and long interviews — often conveyed with an audible “mmh,” or “come on,” or “talkaboutit” — that called to mind the friend at the cookout with whom you can’t wait to gossip or commiserate.

From New York Times

Many, many people afflicted by a MMH condition during pregnancy will be left to struggle without proper help.

From Slate

Maternal mental health—or MMH—conditions are the most common complication of pregnancy.

From Slate

It’s estimated that Black women experience double the rate of MMH conditions that white women do and are half as likely to be treated.

From Slate

Since MMH conditions exist on a spectrum of severity, there are treatment options beyond medication for milder cases, including mindfulness, light exposure therapy, and talk therapy.

From Slate