plural of paternal orphan

A child whose mother has died.

A child who has lost both parents.

plural of maternal orphan

A child whose father has died.

Sylvia crassirostris, an Old World warbler. Now sometimes Curruca crassirostris.

Sylvia hortensis, an Old World warbler. Now sometimes Curruca hortensis.

A negative word or term (such as "disgruntled", "uncouth" or "incognito") that has no positive equivalent

(pharmacology) Used to form names of morphinan derivates used as opioid receptor antagonists/agonists.

(pharmacology) Used to form names of morphinan derivates used as opioid receptor antagonists/agonists.