sinusoidal

From sinusoid + -al.

• (Received Pronunciation, General American, Canada) IPA^(key): /ˌsaɪnəˈsɔɪdəl/

• Audio (Southern England):

  (file)

• (General Australian) IPA^(key): /ˌsɑɪnəˈsoɪdəl/
• (New Zealand) IPA^(key): /ˌsaɪnəˈsoɪdəl/
• Rhymes: -ɔɪdəl

sinusoidal (comparative more sinusoidal, superlative most sinusoidal)

1. (mathematics) Having the shape or characteristics of a sine wave.
   • 2014, Robert Gilkey, Timothy R. Anderson, Binaural and Spatial Hearing in Real and Virtual Environments:

     An averager of the sort described earlier would operate such that, as the frequency of sinusoidal variation of ITD was increased, more and more samples of the dynamically varying ITD would fall within the averaging window and the effective ITD would tend toward their mean of zero.

2. (anatomy) Relating to any of several channels (the sinusoids) through which venous blood passes in various organs.

sinusoidal (plural sinusoidals)

1. A sine wave (or combination of such waves)

• Hyphenation: si‧nu‧soi‧dal

sinusoidal m or f (plural sinusoidais)

1. sinusoidal

   Synonym: senoidal

• “sinusoidal”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “sinusoidal”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Borrowed from French sinusoïdal.

sinusoidal m or n (feminine singular sinusoidală, masculine plural sinusoidali, feminine/neuter plural sinusoidale)

1. sinusoidal

sinusoidal m or f (masculine and feminine plural sinusoidales)

1. sinusoidal

   Synonym: senoidal

• “sinusoidal”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025