Definition

1. Adjective:
   • Being in position 170 in a countable series: This word denotes the ordinal number corresponding to the cardinal number one hundred seventy (170). It indicates rank, sequence, or position in an ordered list.

Usage

• The word "hundred-and-seventieth" is used exclusively as an adjective to describe the position of an item in a sequence. It is typically placed before a noun.
• It is a compound ordinal number formed by combining "hundred," "seventieth," and the conjunction "and." This follows the standard pattern for forming ordinal numbers from 101 to 199.

Examples

• Adjective:
  • This year marks the hundred-and-seventieth anniversary of the university's founding.
  • She finished in hundred-and-seventieth place in the marathon.
  • We are studying the hundred-and-seventieth page of the treaty.

Advanced Usage

• In formal writing: While "170th" is the common numerical abbreviation, "hundred-and-seventieth" is used for formal, literary, or legal text.
  • The contract was signed on the hundred-and-seventieth day of the fiscal year.

Variants and Related Words

• 170th: The numerical and most common written abbreviation.
• One hundred seventieth: An alternative written form, often used in American English without the conjunction "and."
• Ordinal number: The grammatical category for words like first, second, third, etc.

Synonyms

• 170th: (The direct numerical synonym)

Antonyms

• There is no direct antonym for an ordinal number. Conceptually, it could be contrasted with terms indicating the first or last positions, such as "first" or "last."

Notes

• This is a compound ordinal numeral. It is not used as a noun, verb, or in idiomatic expressions.
• The formation follows the standard rule for English ordinals above one hundred: "hundred" + "and" + the ordinal form of the tens/units (e.g., hundred-and-first, hundred-and-sixty-fifth).

Adjective

1. the ordinal number of one hundred seventy in counting order