mum

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μm

/μm/ micrometer (2).

μm

abbreviation for micrometer.

1 micrometer

(mī′krō-mēt-ĕr) [ micro- + -meter],

μm

One millionth of a meter (10−6); one thousandth of a millimeter (0.001 mm). It was formerly called a micron.

μm

micrometer.
References in periodicals archive ?
Once upon a time, a baby's arrival was announced with a blue or pink ribbon on the front door - now some mums prefer social media to announce the arrival of their bundle of joy.
Flicking her fag butt at the back of the teacher's head as she ushers her class into school, Feral Mum is proud her kids have got ASBOs - in all the main subjects.
We have supported the competition for the last few years, and think it is really important to recognise our special mums who play such a phenomenal role in our family lives and in our communities.
Before lunch, foundation stage kids held an assembly to show paintings of their mums and sing songs.
Like Valentine's Day, I think you should tell your mum you love her as often as you can, and show her too, not wait for florists and card manufacturers to start rubbing their hands in glee at the prospect of a bumper sale.
We are asking any mums who would like to come along to bring their own little picnic.
And who better to help, the pair thought, than out-of-work mums with Twitter and Facebook skills?
She was a KIDS Jones C stay-at-home mum and a wonderful cook - she's the one person I really want to impress.
According to a survey last year done by Netmums, one in 10 mums hate doing the school run with a fifth saying parents are bullied at the school gates.