| AMPHITHEATER | • amphitheater n. American spelling form of amphitheatre. • AMPHITHEATER n. an oval or circular building with rising tiers of seats ranged about an open space. |
| AMPHITHEATRE | • amphitheatre n. An open, outdoor theatre (which may be a theatre in the round, or have a stage with seating on only… • amphitheatre n. (Geology) A natural formation of a similar shape, where a steep mountain or slope a particular rock… • AMPHITHEATRE n. an oval or circular building with rising tiers of seats ranged about an open space. |
| DIPHTHERITIC | • diphtheritic adj. (Medicine) Resembling or related to diphtheria. • DIPHTHERITIC adj. relating to diphtheria. |
| DIPHTHERITIS | • diphtheritis n. (Dated) diphtheria. • DIPHTHERITIS n. diphtheria. |
| HEPTARCHISTS | • heptarchists n. Plural of heptarchist. • HEPTARCHIST n. a ruler in a heptarchy. |
| HETEROTROPHS | • heterotrophs n. Plural of heterotroph. • HETEROTROPH n. a secondary feeder eating plants or other animals. |
| HETEROTROPHY | • heterotrophy n. The state of being a heterotroph. • HETEROTROPHY n. the state of being a heterotroph, a secondary feeder eating plants or other animals. |
| HYPOTHECATOR | • hypothecator n. (Law) One who hypothecates or pledges anything as security for the repayment of money borrowed. • HYPOTHECATOR n. one who hypothecates. |
| PHOTOTHERAPY | • phototherapy n. The use of light to treat disorders of the skin, and certain mood disorders. • PHOTOTHERAPY n. the treatment of disease by light. |
| PHOTOTHERMAL | • photothermal adj. (Physics) Involving the production of heat by photoexcitation. • PHOTOTHERMAL adj. of or concerned with light and heat, esp. the production of heat by light, also PHOTOTHERMIC. |
| PHOTOTHERMIC | • photothermic adj. Relating to both light and heat. • PHOTOTHERMIC adj. of or concerned with light and heat, esp. the production of heat by light, also PHOTOTHERMAL. |
| PHREATOPHYTE | • phreatophyte n. (Biology) Any plant, typically living in deserts, that obtains its water from long taproots that reach… • PHREATOPHYTE n. a plant with a deep root system that draws its water supply from near the water table. |
| PHYTOTHERAPY | • phytotherapy n. (Medicine) The use of plant extracts for medical purposes. • PHYTOTHERAPY n. the treatment of the diseases of plants. |
| TEREPHTHALIC | • terephthalic adj. (Organic chemistry) Pertaining to, or derived from terephthalic acid or its derivatives. • TEREPHTHALIC adj. derived from or containing terebic and phthalic acids, as in terephthalic acid. |
| THEANTHROPIC | • theanthropic adj. Partaking of, or combining, both divinity and humanity. • THEANTHROPIC adj. having the nature of both God and human. |
| THEATROPHONE | • theatrophone n. Alternative spelling of théâtrophone. • théâtrophone n. (Dated) An early telephone technology allowing subscribers to listen to live opera and theatre performances. • THEATROPHONE n. (historical) a telephone connecting callers to a theatre so they can listen to a live performance there. |
| TRACHEOPHYTE | • tracheophyte n. (Botany): Any plant possessing vascular tissue (xylem and phloem), including ferns, conifers, and flowering plants. • TRACHEOPHYTE n. any member of the clade of plants possessing vascular tissue; a vascular plant. |
| TRIPHOSPHATE | • triphosphate n. (Chemistry) Any salt or ester containing three phosphate groups. • triphosphate n. (Chemistry) Any salt or ester of triphosphoric acid. • TRIPHOSPHATE n. a salt or acid that contains three phosphate groups. |