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• Th
  Th

  thorium.
• -th
  -th

  a suffix forming nouns of action (birth ) or abstract nouns denoting quality or condition (depth; length; warmth ).
• Th.
  Th.

  abbreviation

  Thursday.
• T.H.
  T.H.

  abbreviation

  Territory of Hawaii.
• th
  th

  abbreviation

  Thailand

Th

¹ American  

Symbol, Chemistry.

1. thorium.

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-th ² American  

1. a suffix forming nouns of action (birth ) or abstract nouns denoting quality or condition (depth; length; warmth ).

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-th ³ American  

1. a suffix used in the formation of ordinal numbers (fourth, tenth ), in some cases, added to altered stems of the cardinal (fifth; twelfth ).

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-th ⁴ American  

1. variant of -eth.

   doth.

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Th. ⁵ American  

abbreviation

1. Thursday.

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T.H. ⁶ American  

abbreviation

1. Territory of Hawaii.

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-th ¹ British  

suffix

1. (from verbs) indicating an action or its consequence

   growth

2. (from adjectives) indicating a quality

   width

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-th ² British  

suffix

1. forming ordinal numbers

   fourth

   thousandth

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Th ³ British  

symbol

1. thorium

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th ⁴ British  

abbreviation

1. Thailand

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Etymology

Origin of -th²

Middle English -th ( e ), Old English -thu, -tho, -th (variant -t after a velar, f, or s ); cognate with Gothic -itha, Latin -tus, Greek -tos

Origin of -th³

Middle English -the, -te, Old English -tha, -the (variant -ta after f or s ); cognate with Old Norse -thi, -di, Latin -tus, Greek -tos; see -eth ²

Example Sentences

Which, he notes, is not the case with, say, "big thing" or "big thighs," both of which give your tongue the space to bridge that awkward transition from "-ig" to "-th."

From Seattle Times • May 19, 2011

The ordinary termination of feminine singular nouns is -th, not -h.

From History of Phoenicia by Rawlinson, George

The next evening we were relieved by the -th Brigade, and once again returned to rest billets.

From Over the Top by Empey, Arthur Guy

The present singular, 3rd person, of the indicative, ends both in -es or -s, and -eth or -th, the former being the more usual.

From The Lay of Havelok the Dane by Unknown

Strength -th is a true word; fowl or fugel -l is no true word.

From A Handbook of the English Language by Latham, R. G. (Robert Gordon)