(law, real estate) A claim to the title of a property, which is superior and stronger in comparison to all other claims.

(marketing) A business that generates demand for another business's advertisement inventory.

Alternative spelling of particle board

plural of particle-board

(biology) The apparent paradox that additive genetic variation is maintained despite persistent female choice for particular male traits.

(Singapore) A water drinking session that is carried out to prevent individuals from dehydration.

(linguistics) The apparent paradox that children learning English encounter many sentences amenable to dative shift (e.g. "give the book to me" → "give me the book") but apparently have no way to learn that this is not possible with certain verbs (e.g. "*donate me the book" is unacceptable), and yet rarely make this kind of error.

Britain standard spelling of ice cream parlor.

The situation where a company producing goods also maintains and operates its own vehicles for delivery, rather than using third-party carriers.

In order to achieve something, courtesy, long-held norms, and other such formalities must be dropped.