soh
part of speech
noun (soh — music; also spelled so, sol); abbreviation (SOH — maths)
meaning for a pupil
1) (music) The fifth note of the do-re-mi (tonic sol-fa) scale: do, re, mi, fa, soh, la, ti, do. tree →
2) (maths, SOH) The first part of SOH CAH TOA, a memory aid for trigonometry: Sine = Opposite ÷ Hypotenuse. tree →
3) (informal) «SOH» short for «sense of humour», as in dating ads. tree →
sense in the lessons
In music lessons «soh» is the fifth note when singing do-re-mi; British books often spell it «soh», others «so» or «sol». In older pupils' maths, «SOH CAH TOA» helps remember sine, cosine and tangent. In «The Sound of Music» the song says «So, a needle pulling thread».
examples
- Sing up the scale: doh, ray, me, fah, soh, lah, te, doh. tree →
- Soh is the fifth note of the scale. tree →
- In "Do-Re-Mi", Maria sings that "so" is a needle pulling thread. tree →
- Remember SOH CAH TOA for your trigonometry test. tree →
- SOH: sine is opposite over hypotenuse. tree →
- Our choir warmed up by singing doh, me, soh, doh. tree →
note
Not an everyday word on its own. Spellings vary: soh, so, sol. In maths, SOH means sin θ = opposite ÷ hypotenuse, e.g. opposite 3, hypotenuse 5 gives sin θ = 0.6.
Trees and pragmatics
Every meaning and example of «soh» parsed by Mova, each sentence with its dependency tree and frames.