List of 13-letter words containing

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There are 11 thirteen-letter words containing ROAC

AEROACOUSTICS	• aeroacoustics n. (Physics) A branch of acoustics that studies noise generation via either turbulent fluid motion or aerodynamic… • AEROACOUSTICS n. the study of the generation and transmittance of sound by fluid flow.
ELECTROACTIVE	• electroactive adj. (Physics, chemistry) describing any material (especially in a cell) that is electrically active or responsive. • electroactive adj. (Physics, chemistry) describing any polymer that changes shape in the presence of an electric field. • ELECTROACTIVE adj. as in electroactive polymers, polymers whose shape is modified when a voltage is applied to them.
ENCROACHINGLY	• encroachingly adv. In an encroaching manner. • ENCROACHING adv. ENCROACH, to intrude on another's territory.
ENCROACHMENTS	• encroachments n. Plural of encroachment. • ENCROACHMENT n. the act of encroaching.
FLUOROACETATE	• fluoroacetate n. (Chemistry) Any salt of fluoroacetic acid. • FLUOROACETATE n. an organofluorine compound.
REPROACHFULLY	• reproachfully adv. In a reproachful manner. • REPROACHFUL adv. reproving.
REPROACHINGLY	• reproachingly adv. Reproachfully. • REPROACHING adv. REPROACH, to find fault with.
RETROACTIVELY	• retroactively adv. Done after the fact; applying to events that have previously transpired. • RETROACTIVE adv. taking effect as from a previous date.
RETROACTIVITY	• retroactivity n. The state or characteristic of being retroactive. • retroactivity n. (Law) The application of a law to events that took place before it was made. • RETROACTIVITY n. the state of being retroactive.
UNREPROACHFUL	• unreproachful adj. Not reproachful. • UNREPROACHFUL adj. not reproachful.
UNREPROACHING	• unreproaching adj. That does not reproach. • UNREPROACHING adj. not reproaching.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

English Wiktionary: 45 words
Scrabble in French: 1 word
Scrabble in Spanish: 2 words
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: 7 words

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