Nouns Starting With ON

Here's the list of all the 172 Nouns Starting With ON in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Nouns (with Definitions and Examples)
onMore Definitions →
one
1. the smallest whole number or a numeral representing this number
2. a single person or thing
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onceMore Definitions →
ongoingMore Definitions →
onion
1. the bulb of an onion plant
2. bulbous plant having hollow leaves cultivated worldwide for its rounded edible bulb
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oncology
1. the branch of medicine concerned with the study and treatment of tumors
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onset
1. the beginning or early stages
2. (military) an offensive against an enemy (using weapons)
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onyx
1. a chalcedony with alternating black and white bands; used in making cameos
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ontology
1. (computer science) a rigorous and exhaustive organization of some knowledge domain that is usually hierarchical and contains all the relevant entities and their relations
2. the metaphysical study of the nature of being and existence
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oneness
1. the quality of being united into one
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oncogene
1. a gene that disposes normal cells to change into cancerous tumor cells
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onslaught
1. a sudden and severe onset of trouble
2. (military) an offensive against an enemy (using weapons)
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onus
1. an onerous or difficult concern
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oncoming
1. the beginning or early stages
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oncologist
1. a specialist in oncology
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ontogeny
1. (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level
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Jump to Nouns by Length

2-Letter Nouns Starting With ON

3-Letter Nouns Starting With ON

4-Letter Nouns Starting With ON

5-Letter Nouns Starting With ON

6-Letter Nouns Starting With ON

7-Letter Nouns Starting With ON

8-Letter Nouns Starting With ON

9-Letter Nouns Starting With ON

10-Letter Nouns Starting With ON

11-Letter Nouns Starting With ON

12-Letter Nouns Starting With ON

13-Letter Nouns Starting With ON

14-Letter Nouns Starting With ON

15-Letter Nouns Starting With ON