| AFFECTIVITIES | • affectivities n. Plural of affectivity. • AFFECTIVITY n. the quality of being affective. |
| BIOACTIVITIES | • bioactivities n. Plural of bioactivity. • BIOACTIVITY n. the state of being bioactive. |
| DESTRUCTIVITY | • destructivity n. Destructiveness. • DESTRUCTIVITY n. capacity for destruction. |
| DIRECTIVITIES | • directivities n. Plural of directivity. • DIRECTIVITY n. the property of being directional. |
| EFFECTIVITIES | • effectivities n. Plural of effectivity. • EFFECTIVITY n. the state of being effective. |
| HYPERACTIVITY | • hyperactivity n. The quality of being hyperactive; excessive and pathological movement and restlessness. • HYPERACTIVITY n. the state of being excessively or pathologically active. |
| INDUCTIVITIES | • inductivities n. Plural of inductivity. • INDUCTIVITY n. the state of being inductive. |
| INFECTIVITIES | • infectivities n. Plural of infectivity. • INFECTIVITY n. the state of being infective. |
| INSTINCTIVITY | • instinctivity n. The quality of being instinctive, or prompted by instinct. • INSTINCTIVITY n. the state of being instinctive. |
| INTERACTIVITY | • interactivity n. The quality of being interactive. • INTERACTIVITY n. the state of being interactive. |
| OBJECTIVITIES | • objectivities n. Plural of objectivity. • OBJECTIVITY n. the state of being objective. |
| RADIOACTIVITY | • radioactivity n. Spontaneous emission of ionizing radiation as a consequence of a nuclear reaction, or directly from… • radioactivity n. The radiation so emitted; including gamma rays, alpha particles, neutrons, electrons, positrons, etc. • RADIOACTIVITY n. the spontaneous decay of the nucleus of an element. |
| RELUCTIVITIES | • reluctivities n. Plural of reluctivity. • RELUCTIVITY n. a specific or relative reluctance of a magnetic material. |
| RETROACTIVITY | • retroactivity n. The state or characteristic of being retroactive. • retroactivity n. (Law) The application of a law to events that took place before it was made. • RETROACTIVITY n. the state of being retroactive. |
| SELECTIVITIES | • selectivities n. Plural of selectivity. • SELECTIVITY n. the state of being selective. |
| SUPERACTIVITY | • superactivity n. A state of heightened or excessive activity. • superactivity n. A scout group activity involving adventure away from home. • SUPERACTIVITY n. the state of being superactive. |
| UNDERACTIVITY | • underactivity n. Insufficient activity. • UNDERACTIVITY n. the state of being underactive. |