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Definitions and Synonyms of o | Another word for o | What is o?

Definition 1: the blood group whose red cells carry neither the A nor B antigens - [noun denoting body]

Samples where o or its synonyms are used according to this definition

  • people with type O blood are universal donors

Synonyms for o in the sense of this definition

(o is a kind of ...) human blood cells (usually just the red blood cells) that have the same antigens

Definition 2: the 15th letter of the Roman alphabet - [noun denoting communication]

(o is a kind of ...) the conventional characters of the alphabet used to represent speech

"his grandmother taught him his letters"

(... is a member of o) the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe

Definition 3: a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust - [noun denoting substance]

Synonyms for o in the sense of this definition

(o is a kind of ...) any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter

(o is a kind of ...) a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely

(... is a kind of o ) a bluish translucent magnetic liquid obtained by compressing gaseous oxygen and then cooling it below its boiling point; used as an oxidizer in rocket propellants

(... is made of the substance o) a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of

"air pollution" "a smell of chemicals in the air" "open a window and let in some air" "I need some fresh air"

(... is made of the substance o) binary compound that occurs at room temperature as a clear colorless odorless tasteless liquid; freezes into ice below 0 degrees centigrade and boils above 100 degrees centigrade; widely used as a solvent

(... is made of the substance o) a colorless gas (O3) soluble in alkalis and cold water; a strong oxidizing agent; can be produced by electric discharge in oxygen or by the action of ultraviolet radiation on oxygen in the stratosphere (where it acts as a screen for ultraviolet radiation)

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