(simile) Very clean.

(simile) Synonym of bright as a button

Alternative form of unpindownable

To place all one's trust or hope in (someone or something).

The influence of a dispersion of fine particles on the movement of low- and high-angle grain boundaries through a polycrystalline material.

simple past tense and past participle of pin down

present participle of pin down

Adjectival or attributive form of angels dancing on the head of a pin.

(figuratively) The subject of arcane intellectual speculation; used as an example subject of enquiry the pursuit of which is of no value.

Third-person singular simple present indicative form of pin one's ears back