| 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. |
| 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. |
| PHOTOREACTIVE | • photoreactive adj. That participates in, or initiates a photoreaction. • PHOTOREACTIVE adj. reacting to light. |
| HYPERVENTILATE | • hyperventilate v. (Intransitive) To breathe quickly and deeply, especially at an abnormally rapid rate. • HYPERVENTILATE v. to breathe rapidly and deeply. |
| PHOTOOXIDATIVE | • photooxidative adj. That causes, or undergoes photooxidation. • PHOTOOXIDATIVE adj. relating to photooxidation. |
| 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. |
| 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. |