counterrotate

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• counterrotate — verb rotate in opposite directions, especially about the same axis. Derivatives counterrotation noun …   English new terms dictionary

• photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such …   Universalium

• coun´ter|ro|ta´tion — coun|ter|ro|tate «KOWN tuhr ROH tayt», intransitive verb, tat|ed, tat|ing. 1. to contrarotate: »counterrotating propellers. 2. to rotate counterclockwise: »Cyclones counterrotate in the Northern Hemisphere. –coun´ter …   Useful english dictionary

• coun|ter|ro|tate — «KOWN tuhr ROH tayt», intransitive verb, tat|ed, tat|ing. 1. to contrarotate: »counterrotating propellers. 2. to rotate counterclockwise: »Cyclones counterrotate in the Northern Hemisphere. –coun´ter …   Useful english dictionary