| PHOTOTUBE | • phototube n. A gas-filled electron tube that has a photosensitive cathode. • PHOTOTUBE n. an electron tube with a photoemissive cathode. |
| PHOTOTUBES | • phototubes n. Plural of phototube. • PHOTOTUBE n. an electron tube with a photoemissive cathode. |
| STEPBROTHER | • stepbrother n. The son of one’s stepparent who is not the son of either of one’s biological parents. • stepbrother n. The stepson of one’s parent who is not one’s half-brother. • step-brother n. Alternative form of stepbrother. |
| THEOPHOBIST | • theophobist n. A person who hates religion. • theophobist n. A person who has a fear of god, or a hatred of god. Affected with Theophobia. • THEOPHOBIST n. one with an extreme fear of God, also THEOPHOBIAC. |
| PHLEBOTOMIST | • phlebotomist n. A practitioner of phlebotomy. • PHLEBOTOMIST n. one who carries out phlebotomies. |
| PHYTOBENTHOS | • phytobenthos n. (Biology) benthic organisms that are plants or algae. • PHYTOBENTHOS n. plants living at the bottom of water collectively. |
| STEPBROTHERS | • stepbrothers n. Plural of stepbrother. • step-brothers n. Plural of step-brother. • STEPBROTHER n. a son of one's stepparent by a former partner. |
| TERATOPHOBIA | • teratophobia n. (Rare) An irrational fear of monsters (terrifying creatures, or deformed children). • TERATOPHOBIA n. an irrational fear of monsters. |
| THEOPHOBISTS | • theophobists n. Plural of theophobist. • THEOPHOBIST n. one with an extreme fear of God, also THEOPHOBIAC. |
| PHLEBOTOMISTS | • phlebotomists n. Plural of phlebotomist. • PHLEBOTOMIST n. one who carries out phlebotomies. |
| TERATOPHOBIAS | • TERATOPHOBIA n. an irrational fear of monsters. |
| PHYTOBENTHOSES | • PHYTOBENTHOS n. plants living at the bottom of water collectively. |
| ALPHABETISATION | • alphabetisation n. The act or process of arranging in alphabetical order. • ALPHABETISATION n. the act of alphabetising, also ALPHABETIZATION. |
| ALPHABETIZATION | • alphabetization n. Alternative form of alphabetisation. • ALPHABETIZATION n. the act of alphabetizing, also ALPHABETISATION. |
| HISTOCOMPATIBLE | • histocompatible adj. (Of two individuals) Having compatible antigens, and thus being able to transplant organs. • HISTOCOMPATIBLE adj. referring to the degree of similarity between the histocompatibility antigens of two individuals, which determines whether an organ transplant will be tolerated. |
| SUBSTRATOSPHERE | • substratosphere n. The area of the atmosphere directly below the stratosphere. • SUBSTRATOSPHERE n. the area of the atmosphere below the stratosphere. |