| ACOLOUTHOS | • ACOLOUTHOS n. (historical) the head of the Varangian guard of the Byzantine emperors, also AKOLOUTHOS, AKOLUTHOS. |
| AKOLOUTHOS | • AKOLOUTHOS n. (historical) the head of the Varangian guard of the Byzantine emperors, also ACOLOUTHOS, AKOLUTHOS. |
| HEMATOZOON | • hematozoon n. Alternative form of haematozoon. • HEMATOZOON n. a protozoan that is parasitic in the blood, also HAEMATOZOON. |
| HOLOPHOTAL | • holophotal adj. Causing no loss of light; applied to reflectors which throw back the rays of light without perceptible loss. • HOLOPHOTAL adj. of reflectors, throwing back the rays of light without perceptible loss. |
| HOMOEOPATH | • homoeopath n. Alternative spelling of homeopath. • homœopath n. Obsolete spelling of homoeopath. • HOMOEOPATH n. a person who believes in or practises homoeopathy, also HOMEOPATH, HOMEOPATHIST, HOMOEOPATHIST. |
| HOMOLOGATE | • homologate v. (Transitive) To confirm, ratify or approve, especially officially or legally. • HOMOLOGATE v. to sanction, allow esp. officially. |
| MATRONHOOD | • matronhood n. The state of being a matron. • MATRONHOOD n. the state of being a matron. |
| MOTORCOACH | • motorcoach n. A motorised bus, or coach. • motorcoach n. Alternative form of motor coach (a rail vehicle). • motor-coach n. (Rail transport) Alternative form of motor coach. |
| NATIONHOOD | • nationhood n. The quality of being a nation. • nationhood n. The fact of achieving national independence or autonomy. • NATIONHOOD n. the state of being a nation. |
| ORTHOGONAL | • orthogonal adj. (Geometry) Of two objects, at right angles; perpendicular to each other. • orthogonal adj. (Mathematics). • orthogonal adj. (Statistics) Statistically independent, with reference to variates. |
| ORTHOPNOEA | • orthopnoea n. Shortness of breath when lying flat, causing the person to have to sleep propped up in bed or sitting in a chair. • orthopnœa n. Obsolete spelling of orthopnoea. • ORTHOPNOEA n. the ability to breathe in an upright position only. |
| OTORRHOEAS | • otorrhoeas n. Plural of otorrhoea. • OTORRHOEA n. a discharge from the ear. |
| RADIOPHOTO | • radiophoto n. A radiophotograph. • RADIOPHOTO n. a picture transmitted by radio. |
| TOCOPHOBIA | • tocophobia n. Alternative spelling of tokophobia. • TOCOPHOBIA n. an abnormal fear of giving birth or becoming pregnant. |
| TOKOPHOBIA | • tokophobia n. A morbid fear of childbirth or pregnancy. • TOKOPHOBIA n. an abnormal fear of giving birth or becoming pregnant. |