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. |
PHOTOVOLTAIC | • photovoltaic adj. Producing a voltage when exposed to light. • photo-voltaic adj. Alternative spelling of photovoltaic. • PHOTOVOLTAIC adj. of, relating to, or utilizing the generation of a voltage when radiant energy falls on the boundary between dissimilar substances (as two different semiconductors). |
HYPERACTIVITY | • hyperactivity n. The quality of being hyperactive; excessive and pathological movement and restlessness. • HYPERACTIVITY n. the state of being excessively or pathologically active. |
PHOTONEGATIVE | • photonegative adj. (Biology) having a negative phototropic or phototactic response; repelled by light. • PHOTONEGATIVE adj. exhibiting negative phototropism or phototaxis. |
PHOTOPOSITIVE | • photopositive adj. (Biology) having a positive phototropic or phototactic response; attracted by light. • PHOTOPOSITIVE adj. exhibiting positive phototropism or phototaxis. |
PHOTOREACTIVE | • photoreactive adj. That participates in, or initiates a photoreaction. • PHOTOREACTIVE adj. reacting to light. |
PHOTOVOLTAICS | • photovoltaics n. (Physics) The technology of the conversion of sunlight into electricity using semiconductors that exhibit… • PHOTOVOLTAICS n. the science and technology of photovoltaic devices and substances. |
HYPERVENTILATE | • hyperventilate v. (Intransitive) To breathe quickly and deeply, especially at an abnormally rapid rate. • HYPERVENTILATE v. to breathe rapidly and deeply. |
PHOTOINDUCTIVE | • photoinductive adj. Relating to photoinduction. • PHOTOINDUCTIVE adj. relating to photoinduction. |
PHOTOOXIDATIVE | • photooxidative adj. That causes, or undergoes photooxidation. • PHOTOOXIDATIVE adj. relating to photooxidation. |
PHOTORECEPTIVE | • photoreceptive adj. (Biology) Absorbing and using light, especially for sensory purposes. • PHOTORECEPTIVE adj. relating to photoreception. |
PHOTOSENSITIVE | • photosensitive adj. Having a reaction to, or able to be affected by, light. • PHOTOSENSITIVE adj. sensitive or sensitized to the action of radiant energy. |
HYPERACTIVITIES | • hyperactivities n. Plural of hyperactivity. • HYPERACTIVITY n. the state of being excessively or pathologically active. |
HYPERREACTIVITY | • hyperreactivity n. (Uncountable) The condition of being hyperreactive. • hyperreactivity n. (Countable) An allergic response to a very low dose of irritant. • HYPERREACTIVITY n. the state of being hyperreactive. |
HYPERVENTILATED | • hyperventilated v. Simple past tense and past participle of hyperventilate. • HYPERVENTILATE v. to breathe rapidly and deeply. |
HYPERVENTILATES | • hyperventilates v. Third-person singular simple present indicative form of hyperventilate. • HYPERVENTILATE v. to breathe rapidly and deeply. |
HYPOVENTILATION | • hypoventilation n. (Medicine) Respiratory depression, occurring when ventilation is inadequate to perform the necessary… • HYPOVENTILATION n. abnormally decreased speed and depth of breathing. |
PHOTOCONDUCTIVE | • photoconductive adj. Of, relating to, or characterized by photoconductivity. • PHOTOCONDUCTIVE adj. having, involving, or operating by photoconductivity. |
PHOTOREFRACTIVE | • photorefractive adj. (Physics) of or relating to a change in refractive index in the presence of light. • PHOTOREFRACTIVE adj. designating or relating to surgical procedures in which a laser is used to reshape the cornea and correct refractive errors such as myopia or astigmatism; esp. in photorefractive keratectomy. |