Every word, A to Z.

The act or process of specializing.

That in which one specializes; a chosen expertise or talent; bailiwick.

A type or kind. (Compare race.)

Explicit or definite.

An explicit set of requirements to be satisfied by a material, product, or service.

Seemingly well-reasoned, plausible or true, but actually fallacious.

A tiny spot or particle, especially of dirt.

Amazing or worthy of special notice.

A ghostly apparition, a phantom.

plural of spectrum

UK and Australia standard spelling of specter.

A range; a continuous, infinite, one-dimensional set, possibly bounded by extremes.

To make an inference based on inconclusive evidence; to surmise or conjecture.

The process or act of thinking or meditating on a subject.

Characterized by speculation; based on guessing, unfounded opinions, or extrapolation.

One who speculates; an observer; a contemplator.

Not speaking; not knowing what to say; silent, especially due to surprise, amazement, etc.; wordless.

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A speedometer, particularly one in a race car or other automobile.

A surname from German.

present participle and gerund of spell

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Headache resulting from a cold stimulus.

A surface in three dimensions consisting of all points equidistant from a center. .

A ringlike band of muscle that surrounds a bodily opening (such as the anus or the openings of the stomach), constricting and relaxi…

A creature with the head of a person and the body of an animal, commonly a lion.

A device used to measure blood pressure.