| ADIATHERMANOUS | • ADIATHERMANOUS adj. not permeable by or able to conduct radiant heat. | 
| AEROMECHANICAL | • aeromechanical adj. Of or pertaining to aeromechanics. • AEROMECHANICAL adj. relating to aeromechanics.
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| ALEXIPHARMAKON | • alexipharmakon n. Alternative form of alexipharmacon. • ALEXIPHARMAKON n. an antidote to poison.
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| ALPHANUMERICAL | • alphanumerical adj. Consisting of only letters and numbers; alphanumeric. • ALPHANUMERICAL adj. of data, consisting of both letters and numbers, also ALPHANUMERIC.
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| AMARANTHACEOUS | • amaranthaceous adj. (Botany) Belonging to the family Amaranthaceae of amaranths and goosefoots. • AMARANTHACEOUS adj. belonging to the family Amarantaceae, also AMARANTACEOUS.
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| ANTIARRHYTHMIA | • antiarrhythmia adj. Alternative form of antiarrhythmic. | 
| ANTIHARASSMENT | • antiharassment adj. Counteracting harassment. | 
| BREATHARIANISM | • breatharianism n. The belief in, or practice of, living without food, subsisting instead on prana or sunlight. • BREATHARIANISM n. the belief that human beings can be sustained solely by prana, a vital force in the breath.
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| HANDICRAFTSMAN | • handicraftsman n. A practitioner of a handicraft, usually male. • handi-craftsman n. Alternative form of handicraftsman.
 • HANDICRAFTSMAN n. a person who engages in a handicraft.
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| HYPERNATRAEMIA | • hypernatraemia n. Alternative form of hypernatremia. • HYPERNATRAEMIA n. an abnormally high concentration of sodium chloride (salt) in the blood, esp. in infants.
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| HYPONATRAEMIAS | • hyponatraemias n. Plural of hyponatraemia. • HYPONATRAEMIA n. deficiency of sodium in the blood.
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| MACRENCEPHALIA | • MACRENCEPHALIA n. the condition of having an abnormally large brain, also MACRENCEPHALY, MACROCEPHALIA. | 
| PHANTASMAGORIA | • phantasmagoria n. (Historical) A popular 18th- and 19th-century form of theatre entertainment whereby ghostly apparitions are formed. • phantasmagoria n. A series of events involving rapid changes in light intensity and colour.
 • phantasmagoria n. A dreamlike state where real and imagined elements are blurred together.
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| PHANTASMAGORIC | • phantasmagoric adj. Characterized by or pertaining to rapid changes in light intensity and colour. • phantasmagoric adj. Characterized by or pertaining to a dreamlike blurring of real and imaginary elements.
 • PHANTASMAGORIC adj. of or like a phantasmagoria, also PHANTASMAGORIAL.
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| PHARMACOPOEIAN | • pharmacopœian adj. Obsolete typography of pharmacopoeian. • pharmacopœian n. Obsolete typography of pharmacopoeian.
 • PHARMACOPOEIAN adj. of or like a pharmacopoeia, also PHARMACOPEIAL, PHARMACOPOEIA.
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| ULTRAMARATHONS | • ultramarathons n. Plural of ultramarathon. • ULTRAMARATHON n. a footrace longer than a marathon.
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