| ABOMINATORS | • abominators n. Plural of abominator. • ABOMINATOR n. one who abominates. |
| ABORTIONIST | • abortionist n. (Now sometimes offensive) A person who performs abortions, especially illegally or secretly. • abortionist n. (Chiefly derogatory) A person who advocates for or supports the legality of abortion. • ABORTIONIST n. one who induces abortions. |
| ABROGATIONS | • abrogations n. Plural of abrogation. • ABROGATION n. the act of abrogating, formally annulling. |
| ABSORPTIONS | • absorptions n. Plural of absorption. • ABSORPTION n. the process of absorbing. |
| BIOCONTROLS | • biocontrols n. Plural of biocontrol. • BIOCONTROL n. pest control by biological means e.g. cane toads. |
| OBDURATIONS | • obdurations n. Plural of obduration. • OBDURATION n. a hardening of the heart. |
| OBJURATIONS | • objurations n. Plural of objuration. • OBJURATION n. the act of binding by oath; a solemn charge. |
| OBSCURATION | • obscuration n. The state of being obscured. • obscuration n. A unit of measurement used in particular for smoke detectors which respond to absorption of light by… • OBSCURATION n. the act of obscuring. |
| OBSECRATION | • obsecration n. An earnest supplication made in the name of God. • OBSECRATION n. an entreaty. |
| OBSERVATION | • observation n. The act of observing, and the fact of being observed (see observance). • observation n. The act of noting and recording some event; or the record of such noting. • observation n. A remark or comment. |
| OBSIGNATORY | • obsignatory adj. (Obsolete) Ratifying; confirming by sealing. • OBSIGNATORY adj. relating to obsignation. |
| OBSTRICTION | • obstriction n. The state of being constrained, bound, or obliged. • obstriction n. That which constrains or obliges; obligation; bond. • OBSTRICTION n. (obsolete) obligation. |
| OBSTRUCTION | • obstruction n. The act of obstructing, or state of being obstructed. • obstruction n. Something which obstructs or impedes, either intentionally or unintentionally. • obstruction n. The condition of having the natural powers obstructed in their usual course; the arrest of the vital functions; death. |
| OBTURATIONS | • obturations n. Plural of obturation. • OBTURATION n. an obstruction. |
| SAPROBIONTS | • saprobionts n. Plural of saprobiont. • SAPROBIONT n. any organism, esp. a fungus or bacterium, that lives and feeds on dead organic matter, also SAPROTROPH. |
| SUBORNATION | • subornation n. The act of suborning. • subornation n. The procuring of someone to do a criminal act, especially to commit perjury. • SUBORNATION n. the act of suborning. |
| SUBROGATION | • subrogation n. (Law) Substitution of a different person in place of a creditor or claimant with respect to certain rights and duties. • SUBROGATION n. the act of subrogating, also SURROGATION. |
| THROMBOSING | • thrombosing v. Present participle of thrombose. • THROMBOSE v. to cause thrombosis in. |
| TOURBILLONS | • tourbillons n. Plural of tourbillon. • TOURBILLON n. (French) a whirlwind; any whirling object, also TOURBILLION. |
| TROMBONISTS | • trombonists n. Plural of trombonist. • TROMBONIST n. one who plays the trombone. |