| OBVOLUTIONS | • OBVOLUTION n. the state of being obvolute, having a margin that alternately overlaps and is overlapped by that of an opposing leaf. |
| PHOTONOVELS | • photonovels n. Plural of photonovel. • PHOTONOVEL n. a novel in the form of a series of photographs with speech balloons. |
| COEVOLUTIONS | • coevolutions n. Plural of coevolution. • co-evolutions n. Plural of co-evolution. • 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. |
| CONVOLUTIONS | • convolutions n. Plural of convolution. • CONVOLUTION n. a form or shape that is folded in curved or tortuous windings. |
| OVERCONTROLS | • overcontrols v. Third-person singular simple present indicative form of overcontrol. • OVERCONTROL v. to control excessively. |
| SERVOCONTROL | • servocontrol n. A control that uses a servomechanism. • SERVOCONTROL n. in aircraft, a reinforcing mechanism for the pilot's effort, usually a small auxiliary aerofoil. |
| OVIPOSITIONAL | • ovipositional adj. Related to, or by means of, oviposition. • OVIPOSITIONAL adj. relating to oviposition. |
| SERVOCONTROLS | • servocontrols n. Plural of servocontrol. • SERVOCONTROL n. in aircraft, a reinforcing mechanism for the pilot's effort, usually a small auxiliary aerofoil. |
| STRATOVOLCANO | • stratovolcano n. (Volcanology) A tall conical volcano, composed of layers (or strata) of hardened lava, tephra and ash. • STRATOVOLCANO n. a composite volcano, composed of alternating layers of lava and pyroclastic material, along with abundant dikes and sills. |
| VOLCANOLOGIST | • volcanologist n. One who is skilled in, professes or practices volcanology. • VOLCANOLOGIST n. one who studies volcanology, also VULCANOLOGIST. |
| LAEVOROTATIONS | • laevorotations n. Plural of laevorotation. • lævorotations n. Plural of lævorotation. • LAEVOROTATION n. counterclockwise rotation. |
| LOCOMOTIVENESS | • locomotiveness n. Alternative form of locomotivity. • LOCOMOTIVE n. moving from place to place. |
| STRATOVOLCANOS | • stratovolcanos n. Plural of stratovolcano. • STRATOVOLCANO n. a composite volcano, composed of alternating layers of lava and pyroclastic material, along with abundant dikes and sills. |
| VOLCANOLOGISTS | • volcanologists n. Plural of volcanologist. • VOLCANOLOGIST n. one who studies volcanology, also VULCANOLOGIST. |
| MACROEVOLUTIONS | • macroevolutions n. Plural of macroevolution. • MACROEVOLUTION n. evolution that results in relatively large and complex changes, as in species formation. |
| MICROEVOLUTIONS | • microevolutions n. Plural of microevolution. • MICROEVOLUTION n. comparatively minor evolutionary change involving the accumulation of variations in populations usually below the species level. |
| OVERPOPULATIONS | • overpopulations n. Plural of overpopulation. • OVERPOPULATION n. population so dense as to cause environmental deterioration. |
| STRATOVOLCANOES | • stratovolcanoes n. Plural of stratovolcano. • STRATOVOLCANO n. a composite volcano, composed of alternating layers of lava and pyroclastic material, along with abundant dikes and sills. |
| VIBROFLOTATIONS | • VIBROFLOTATION n. a process for compacting sand. |