femtosecond
n.— «The shortest visible and infrared laser pulses are typically just a few femtoseconds…in duration and contain just a few cycles of the laser field.» —“Beating the femtosecond limit” Physics Web (Bristol, U.K.) Feb. 21, 2001. (source: Double-Tongued Dictionary)
Further reading
In Cockney rhyming slang, apples and pears is a synonym for “stairs,” and dustbin lids means kids. Plus, sniglets are clever coinages for things we don’t already have words for. Any guesses what incogsneeto means? It’s the...
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...