Updated June 2026
plural of micron; units of one millionth of a metre
“The particles measured only a few micra across.”
mi·cra
"Micra" uses 5 different letters, which makes it efficient for eliminating options. Its 2 vowels balance the consonants.
"Micra" is worth 9 points before board bonuses. Aim its letters at double/triple-letter and word squares to lift the score.
Change a single letter of “micra” to make these 5-letter words — useful for Wordle and crossword clues.
Look up micra in an authoritative dictionary for full definitions, pronunciation, and etymology.

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