Lexic.us

Definition of O

1. Noun. 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.

2. Noun. The 15th letter of the Roman alphabet.

3. Noun. The blood group whose red cells carry neither the A nor B antigens. "People with type O blood are universal donors"

Definition of O

1. n. The letter O, or its sound.

2. prep. A shortened form of of or on.

3. a. One.

4. interj. An exclamation used in calling or directly addressing a person or personified object; also, as an emotional or impassioned exclamation expressing pain, grief, surprise, desire, fear, etc.

Definition of O

1. Letter. (Latn-def en letter 15 o) ¹

2. Abbreviation. (cricket) The number of overs bowled ¹

3. Noun. A blood type that lacks A or B antigens and may only receive transfusions of similar type O blood, but may donate to all (neglecting Rh factor). Synonym: universal donor. ¹

4. Noun. (printing) American Library Association (non-gloss definition (abbreviation) of octavo, a book size (20-25 cm).) ¹

5. Noun. (soccer) Someone associated with Leyton Orient Football Club, as a player, coach, supporter etc. ¹

6. Number. (Latn-def en ordinal 15 o) ¹

7. Particle. (grammar) (non-gloss definition The English vocative particle (always in upper case), used for direct address in translations from languages which have the vocative case.) ¹

8. Interjection. (non-gloss definition Expression of earnestness or reverence, used before the name of a deity or revered person in impassioned speech.) ¹

9. Letter. (Latn-def en letter 15 o) ¹

10. Number. (Latn-def en ordinal 15 o) ¹

11. Noun. (Latn-def en name O o) ¹

12. Noun. A zero (qualifier used in reading out numbers). ¹

13. Interjection. (archaic always capitalized) The English vocative particle, used before a pronoun or the name of a person or persons to mark direct address. ¹

14. Interjection. (alternative form of oh) ¹

15. Abbreviation. (IRC) Operator ¹

16. Abbreviation. Object, see SVO ¹

17. Abbreviation. Over ¹

¹ Source: wiktionary.com

Medical Definition of O

1. 1. Symbol for oxygen; orotidine. 2. In chemistry, the abbreviation for ortho-. 3. Symbol for a blood group in the ABO system. See ABO blood group, Blood Groups appendix. 4. An abbreviation derived from ohne Hauch (without a film), used as a designation for: 1) antigens that occur in the bacterial cell, in contrast to those in the flagella; 2) specific antibodies for such somatic antigens; 3) the agglutinative reaction between somatic antigen and its antibody. (05 Mar 2000)

Lexicographical Neighbors of O

Nyquist rate Nyssa Nyssa aquatica Nyssa sylvatica Nyssaceae Nystan Nysten's law Nyunga Nyungar Nyx

Nzema Nzima Nîmes Nørrebro Nürnberg O&S O' O'Beirne O'Beirne's sphincter O'Beirne's valve

O'Brien O'Casey O'Connor O'Dare O'Dwyer O'Dwyer's tube O'Flaherty O'Hara O'Hara forceps

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