| ANOVULATION | • anovulation n. (Pathology) Lack of ovulation. • ANOVULATION n. a failure to produce eggs or to discharge them from an ovary. | 
| ANOVULATORY | • anovulatory adj. Not ovulatory; characterized by anovulation (a lack of ovulation). • ANOVULATORY adj. of a menstrual cycle, without ovulation. | 
| COEVOLUTION | • coevolution n. (Ecology, evolutionary theory) The evolution of organisms of two or more species in which each adapts… • co-evolution n. Alternative spelling of coevolution. • COEVOLUTION n. the parallel evolution of two kinds of organisms that are interdependent, like flowers and their pollinators, and where any change in one will result in an adaptive response in the other. | 
| CONVOLUTELY | • CONVOLUTE adv. rolled together, coiled. | 
| CONVOLUTING | • convoluting v. Present participle of convolute. • CONVOLUTE v. to twist, coil. | 
| CONVOLUTION | • convolution n. A twist or fold. • convolution n. Any of the folds on the surface of the brain. • convolution n. The shape of something rotating; a vortex. | 
| DEVOLUTIONS | • devolutions n. Plural of devolution. • DEVOLUTION n. transference (as of rights, powers, property, or responsibility) to another. | 
| EVOLUTIONAL | • evolutional adj. Of or pertaining to evolution, or coming about as a result of the principles of evolution. • EVOLUTIONAL adj. relating to evolution. | 
| INVOLUTIONS | • involutions n. Plural of involution. • INVOLUTION n. the act of involving or infolding. | 
| OBVOLUTIONS | • OBVOLUTION n. the state of being obvolute, having a margin that alternately overlaps and is overlapped by that of an opposing leaf. | 
| REVOLUTIONS | • revolutions n. Plural of revolution. • REVOLUTION n. the action by a celestial body of going round in an orbit or elliptical course. | 
| VACUOLATION | • vacuolation n. (Medicine, biology) The formation of vacuoles in a cellular tissue. • VACUOLATION n. the development or formation of vacuoles. | 
| VOLUMOMETER | • volumometer n. (Physics) A device for measuring the volume of a solid by means of the pressure difference in a confined… • VOLUMOMETER n. an instrument for measuring the volume of a solid body by the quantity of fluid it displaces. | 
| VOLUTATIONS | • volutations n. Plural of volutation. • VOLUTATION n. the action of rolling. |