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

(examin)

To observe or inspect carefully or critically.

He examined the crime scene for clues.

She examined the hair sample under a microscope.

*

With fresh material, taxonomic conclusions are leavened by recognition that the material examined reflects the site it occupied; a herbarium packet gives one only a small fraction of the data desirable for sound conclusions. Herbarium material does not, indeed, allow one to extrapolate safely: what you see is what you get

To check the health or condition of something or someone.

The doctor examined the patient.

To determine the aptitude, skills or qualifications of someone by subjecting them to an examination.

To interrogate.

The witness was examined under oath.