(literally) One who habitually bites or chews their fingernails. / (figuratively) A situation which causes anxiety, suspense, nervousness or discomfort.

A white crystalline hydrocarbon manufactured from coal tar; used in mothballs. / (organic chemistry) An aromatic bicyclic hydrocarbon, C₁₀H₈; an acene containing two fused benzene rings.

An invalid scientific philosophy in which any single instance of refuting data is enough to falsify the entire claim.

Eyesight, unaided by equipment such as a telescope or microscope.

A male given name. / A surname.

A diminutive of the female given names Ann or Anne.

Alternative spelling of placename.

A word or phrase that has noun part of speech and names a specific object, usually capitalized, examples being Martin or New York.

(originally) One who is named after another or for whom another is named. / (by extension) A ship or a building that is named after someone or something. / A person with the same name as another.

(transitive) To name (somebody) after somebody else.