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There are 18 words containing OACTIVE

COACTIVE• coactive adj. (Obsolete) Serving to compel or constrain; compulsory; restrictive.
• coactive adj. Acting in concurrence; united in action.
• COACTIVE adj. mutually active.
BIOACTIVE• bioactive adj. Biologically active; having a biological effect.
• bioactive n. Such a material.
• BIOACTIVE adj. having an effect on a living organism.
PROACTIVE• proactive adj. Acting in advance to deal with an expected change or difficulty.
• PROACTIVE adj. tending to make changes in anticipation of change.
COACTIVELY• coactively adv. In a coactive manner.
• COACTIVE adv. mutually active.
VASOACTIVE• vasoactive adj. (Physiology, medicine) Active on vessel walls, that is, causing either constriction or dilation of a…
• VASOACTIVE adj. affecting blood vessels.
NEUROACTIVE• neuroactive adj. That acts on the central nervous system.
• NEUROACTIVE adj. stimulating neural tissue.
PHOTOACTIVE• photoactive adj. Able to convert the energy of light into electricity via photoelectricity.
• photoactive adj. Able to react chemically under the influence of light.
• PHOTOACTIVE adj. affected physically or chemically by light or other radiation.
PROACTIVELY• proactively adv. In a proactive manner; so as to look or plan ahead.
• pro-actively adv. Alternative form of proactively.
RADIOACTIVE• radioactive adj. Exhibiting radioactivity.
• radioactive adj. (Figurative, rare) Dangerous and disgusting, particularly of people or ideas.
• radioactive n. Any radioactive substance.
RETROACTIVE• retroactive adj. Extending in scope, effect, application or influence to a prior time or to prior conditions.
• RETROACTIVE adj. taking effect as from a previous date.
PSYCHOACTIVE• psychoactive adj. (Pharmacology) Affecting the mind or mental processes.
• psychoactive n. (Pharmacology) Any drug that affects the mind or mental processes.
• PSYCHOACTIVE adj. affecting the mind or behavior.
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.
RADIOACTIVELY• radioactively adv. Using a radioactive substance.
• radioactively adv. Concerning radioactivity.
• RADIOACTIVE adv. of, caused by, or exhibiting radioactivity.
RETROACTIVELY• retroactively adv. Done after the fact; applying to events that have previously transpired.
• RETROACTIVE adv. taking effect as from a previous date.
NONRADIOACTIVE• nonradioactive adj. Not radioactive; not generating radioactivity.
• NONRADIOACTIVE adj. not radioactive.
NONRETROACTIVE• nonretroactive adj. Not retroactive.
• NONRETROACTIVE adj. not retroactive.
NONPSYCHOACTIVE• nonpsychoactive adj. Not psychoactive.
RETROACTIVENESS• retroactiveness n. The state or condition of being retroactive.
• RETROACTIVENESS n. the state of being retroactive.

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: 72 words
  • Scrabble in French: 15 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 12 words

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