oviparous /ō-vipˈə-rəs/ adjective

(L parere to bring forth) egg-laying

ovipˈarously adverb

oviposˈit intransitive verb

To deposit eggs with an ovipositor

oviposition /-pə-zishˈən/ noun

ovipositor /ō-vi-pozˈi-tər/ noun

(L positor, from pōnere to place) an egg-laying organ in female insects and some female fishes

oviraptor /ōˈvi-rapˈtər/ noun

A small two-footed dinosaur with short forelimbs, thought to have fed on eggs

ovisac /ōvˈi-sak/ noun

1. (L saccus; see sac¹) a brood-pouch
2. An egg capsule

ovo-lacˈto adjective

(of a vegetarian) having a diet excluding meat but permitting eggs and milk products

An ovo-lacto vegetarian

ovotestˈis noun (pl ovotestˈes /-tēz/)

An organ that produces both ova and spermatozoa

ovoviviparity /-parˈi-ti/ noun

ovoviviparous /ō-vō-vi-vipˈə-rəs or -vī-vipˈ/ adjective

(L vīvus living, and parere to bring forth) (of certain reptiles and fishes) producing eggs that are hatched in the body of the parent

vivi- /vi-vi-/

Denoting alive, living

vivipˈarism noun

Viviparous reproduction

viviparity /viv-i-parˈi-ti/ or vivipˈarousness noun

The quality of being viviparous

viviparous /vī-vipˈə-rəs or vi-/ adjective

1. (L parere to produce) producing living young that have already reached an advanced stage of development before delivery, opp to oviparous (zoology)
2. Germinating from a seed still on the parent plant (botany)
3. Producing bulbils or young plants in the flower clusters, etc (botany)

vivipˈarously adverb

vivipˈary noun

Viviparity in plants

vivisectˈ transitive verb

To practise vivisection on (also intransitive verb)

vivisection /-sekˈshən/ noun

1. (L sectiō the act of cutting, from secāre to cut) the act or practice, or an instance, of making surgical operations on living animals for the purposes of physiological research or demonstration
2. Merciless and minute examination or criticism

vivisecˈtional adjective

vivisecˈtionist noun

A person who practises or defends vivisection

vivisecˈtive adjective

Practising vivisection

vivisecˈtor noun

Someone who practises vivisection

vivisectōˈrium noun

A place for vivisection

vivisepulture /-sepˈl-chər/ noun (rare)

Burial alive