SI

views updated May 08 2018

SI (SI units) Système International d'Unités, an internationally agreed group of units of measurement, used especially in scientific work. The system comprises seven basic and two supplementary units. The basic units are the: metre (m); kilogram (kg); second (s); ampere (A); kelvin (K); mole (mol); and candela (cd). The supplementary units are the: radian (rad); and steradian (sr). A further 18 units are derived from these: becquerel (Bq); coulomb (C); farad (F); gray (Gy); henry (H); hertz (Hz); joule (J); lumen (lm); lux (lx); newton (N); ohm (Ω); pascal (Pa); siemens (S); sievert (Sv); tesla (T); volt (V); watt (W); and weber (Wb).

si

views updated Jun 08 2018

si (Fr.). The note B (see pitch names of the notes). si bémol, B♭, si dièse, B♯. Also 7th degree of major scale according to d'Arezzo system. In tonic sol-fa it has been changed to te.

SI

views updated Jun 11 2018

SI • abbr. ∎  the international system of units of measurement. ∎  Law statutory instrument.

si

views updated May 29 2018

si / / • n. Mus. another term for ti.

si

views updated May 29 2018

si (mus.) seventh note of the scale in solmization. XVIII. — F. — It. si; see UT.

Si

views updated May 29 2018

Si • symb. the chemical element silicon.

SI

views updated Jun 11 2018

Si

views updated May 23 2018

Si See silicon.

Si

views updated May 23 2018

Si See SILICON.

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