Sd

name, noun

name, noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    Initialism of school district. abbreviation, alt-of, initialism
  2. 2
    Initialism of standard definition (“typically 640×480 pixels”). abbreviation, alt-of, initialism, uncountable
  3. 3
    Alternative letter-case form of SD (“standard deviation”). alt-of
  4. 4
    Initialism of sheriff's department. abbreviation, alt-of, initialism
  5. 5
    Initialism of standard deviation. abbreviation, alt-of, initialism
Show 2 more definitions
  1. 6
    Initialism of self-destruct. abbreviation, alt-of, initialism
  2. 7
    Initialism of segmental duplication. abbreviation, alt-of, initialism

    "We estimated that the following percentage of elements were correctly assembled: 95.4% of alpha satellites; 91.5% of human satellites 2 and 3; 97.7% of segmental duplications (SDs); 94.3% of variable number tandem repeats (VNTRs); 94.2% of short tandem repeats (STRs); and 98.8% of all human repeats²⁶."

Proper Noun
  1. 1
    Initialism of South Dakota: a state of the United States. abbreviation, alt-of, initialism
  2. 2
    Initialism of Secure Digital: a non-volatile memory card format developed for use in portable devices. abbreviation, alt-of, initialism, uncountable

    "I had responsibility for safely extracting SD cards and manually uploading footage onto the server."

Synonyms

All synonyms
discriminative stimulusindothsouth dakotastandard definitionstandard definition

Example

More examples

"Rodrigo dropped one of the SD cards."

Related phrases

standard deviation

More for "sd"

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.