| BLOODSTAINS | • bloodstains n. Plural of bloodstain. • BLOODSTAIN n. a discoloration caused by blood. |
| BOTTOMLANDS | • bottomlands n. Plural of bottomland. • BOTTOMLAND n. (US) alluvial deposits. |
| CARBONADOES | • carbonadoes n. Plural of carbonado. • CARBONADO v. (Spanish) to broil on coals, also CARBONADE, CARBONNADE. |
| ISOANTIBODY | • isoantibody n. An antibody produced by an individual against isoantigens produced by members of the same species. • ISOANTIBODY n. an antibody that occurs naturally against foreign tissue from an individual of the same species. |
| OBDURATIONS | • obdurations n. Plural of obduration. • OBDURATION n. a hardening of the heart. |
| OBSIDIONARY | • obsidionary adj. Obsidional; relating to a siege. • OBSIDIONARY adj. of or relating to a siege, also OBSIDIONAL. |
| ODONTOBLAST | • odontoblast n. A cell on the outer surface of dental pulp that produces tooth dentin. • ODONTOBLAST n. a tooth cell in the surface of dental pulp that produces dentine. |
| ONBOARDINGS | • onboardings n. Plural of onboarding. • ONBOARDING n. the induction and assimilation of a new employee into a company or organization. |
| OVERABOUNDS | • overabounds v. Third-person singular simple present indicative form of overabound. • OVERABOUND v. to be exceedingly plenty. |
| ROUNDABOUTS | • roundabouts n. Plural of roundabout. • ROUNDABOUT v. to go round and round. |
| SNOWBOARDED | • snowboarded v. Simple past tense and past participle of snowboard. • SNOWBOARD v. to use a snowboard. |
| SNOWBOARDER | • snowboarder n. Someone who snowboards. • SNOWBOARDER n. one who rides on a snowboard. |
| SOUNDBOARDS | • soundboards n. Plural of soundboard. • SOUNDBOARD n. a thin resonant board (as the belly of a violin) so placed in an instrument as to reinforce its tones by sympathetic vibration. |