Verb

(differentiat)

To show, or be the distinction between two things.

* Earle

The word "then" was differentiated into the two forms "then" and "than".

* {{quote-book, year=1933

, passage=The mass of the rich and poor are differentiated by their incomes and nothing else, and the average millionaire is only the average dishwasher dressed in a new suit. , author=George Orwell, title=Down and Out in Paris and London, chapter=Ch. XXII, page=120, publisher=Harvest / Harcourt paperback edition}}

To perceive the difference between things; to discriminate.

* {{quote-book, title=, year=1964

, passage=he refused to instruct that actual intent to harm or recklessness had to be found before punitive damages could be awarded, or that a verdict for respondent should differentiate between compensatory and punitive damages.}}

(intransitive) To modify, or be modified.

(mathematics) To calculate the derivative of a function.

(mathematics) To calculate the differential of a function of multiple variables.

(biology) To produce distinct organs or to achieve specific functions by a process of development called differentiation.

* {{quote-book, title=, year=1930, author=Robert Evans Snodgrass

, passage=In Chapter IV we learned that every animal consists of a body, or soma, formed of cells that are differentiated from the germ cells usually at an early stage of development.}}

Verb

(notic)

To observe or take notice of.

* 1991 ,

So you punched out a window for ventilation. Was that before'' or ''after you noticed you were standing in a lake of gasoline?

* {{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)

, title= Welcome to the plastisphere , passage=[The researchers] noticed many of their pieces of [plastic marine] debris sported surface pits around two microns across. Such pits are about the size of a bacterial cell. Closer examination showed that some of these pits did, indeed, contain bacteria, […].}}

To detect; to perceive with the mind.