(historical, plural phalanxes) An ancient Greek and Macedonian military unit that consisted of several ranks and files (lines) of soldiers in close array with joined shields and long spears.

The largest city in Pennsylvania, United States, and the county seat of coterminous Philadelphia County; former capital of the United States.

Φ, the 21st letter of the Euclidean and modern Greek alphabet, usually romanized as "ph". / (mathematics) The golden ratio.

A thing or being, event or process, perceptible through senses; or a fact or occurrence thereof. / (by extension) A knowable thing or event (eg by inference, especially in science)

(microbiology, virology) A virus that is parasitic on bacteria.

(genetics, evolutionary theory) The appearance of an organism based on a multifactorial combination of genetic traits and environmental factors, especially used in pedigrees.

To evaluate or classify based on phenotype

(historical) The supreme ruler of Ancient Egypt; a formal address for the sovereign seat of power as personified by the "king" in an institutional role of Horus son of Osiris; often used by metonymy for Ancient Egyptian sovereignty

A glass vessel or bottle, especially a small bottle for medicines.

(transitive) To put or keep in, or as in, a phial.