| ANTIHYDROGEN | • antihydrogen n. (Physics, uncountable) The antimatter equivalent of hydrogen, consisting of an antiproton and an positron… • antihydrogen n. (Physics, countable) An atom of the antimatter equivalent of hydrogen.
 • ANTIHYDROGEN n. an antimatter form of hydrogen.
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| DETHRONISING | • DETHRONISE v. to remove from a throne, also DETHRONIZE. | 
| DETHRONIZING | • dethronizing v. Present participle of dethronize. • DETHRONIZE v. to dethrone, also DETHRONISE.
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| GUANETHIDINE | • guanethidine n. (Pharmacology) An antihypertensive drug that reduces the release of catecholamines. • GUANETHIDINE n. a drug used in the treatment of hypertension.
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| HEADHUNTINGS | • headhuntings n. Plural of headhunting. • HEADHUNTING n. the practice of collecting human heads.
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| HEARTRENDING | • heartrending adj. That causes great grief, anguish or distress. • heartrending adj. That elicits deep sympathy.
 • heart-rending adj. Alternative form of heartrending.
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| HETERODYNING | • heterodyning v. Present participle of heterodyne. • HETERODYNE v. to change the frequency of (a signal) by imposing on a continuous wave another of slightly different length to produce beats.
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| INTERCHANGED | • interchanged v. Simple past tense and past participle of interchange. • INTERCHANGE v. to put each of (two things) in the place of the other, also ENTERCHAUNGE.
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| INTERDASHING | • interdashing v. Present participle of interdash. • INTERDASH v. to dash between or among; to intersperse.
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| STRENGTHENED | • strengthened v. Simple past tense and past participle of strengthen. • STRENGTHEN v. to make stronger.
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| THUNDERINGLY | • thunderingly adv. In a thundering way; with great noise or fury. • thunderingly adv. (Informal) Extremely; marvellously.
 • THUNDERING adv. resounding.
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| UNDERHEATING | • underheating v. Present participle of underheat. • UNDERHEAT v. to heat insufficiently.
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| UNFRIGHTENED | • unfrightened adj. Not frightened; unafraid. • unfrightened v. Simple past tense and past participle of flog.
 • unfrightened v. Simple past tense and past participle of unfrighten.
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| UPTHUNDERING | • upthundering v. Present participle of upthunder. • UPTHUNDER v. to send up a noise like thunder.
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