Photoresistor
photoresistor
(fō’tō-rĭ-zĭs’tər)
A resistor whose resistance varies as a function of the intensity of light it is exposed to. Also called photocell. See also photoelectric.
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[foh-toh-res-puh-rey-shuh n] /ˌfoʊ toʊˌrɛs pəˈreɪ ʃən/ noun 1. the oxidation of carbohydrates in many higher plants in which they get oxygen from light and then release carbon dioxide, somewhat different from photosynthesis. /ˌfəʊtəʊˌrɛspəˈreɪʃən/ noun 1. (in plants) a reaction that occurs during photosynthesis in which oxygen is assimilated and used to oxidize carbohydrates, with the […]
- Photo-respiration
[foh-toh-res-puh-rey-shuh n] /ˌfoʊ toʊˌrɛs pəˈreɪ ʃən/ noun 1. the oxidation of carbohydrates in many higher plants in which they get oxygen from light and then release carbon dioxide, somewhat different from photosynthesis. /ˌfəʊtəʊˌrɛspəˈreɪʃən/ noun 1. (in plants) a reaction that occurs during photosynthesis in which oxygen is assimilated and used to oxidize carbohydrates, with the […]
- Photoretinopathy
photoretinopathy pho·to·ret·i·nop·a·thy (fō’tō-rět’n-ŏp’ə-thē) n. A macular burn from excessive exposure to sunlight or other intense light, causing reduced visual acuity. Also called photoretinitis.
- Photos
[foh-toh] /ˈfoʊ toʊ/ noun, plural photos. 1. . 2. Informal. . /ˈfəʊtəʊ/ noun (pl) -tos 1. short for photograph (sense 1) n. 1860, shortening of photograph. The verb is first recorded 1865, from the noun. Photo finish is attested from 1936. Photo opportunity first recorded 1974.
- Photoscan
[foh-tuh-skan] /ˈfoʊ təˌskæn/ verb (used with object), photoscanned, photoscanning. 1. to study the distribution of a radioactive isotope or radiopaque dye in (a body organ or part) through the use of x-rays. photoscan pho·to·scan (fō’tə-skān’) n. See scintigram.