sol
/sɒl/ (bre, ipa) · /səʊl/ (ame, ipa) · /ˈsōl/ (ame, mw)
sol — noun
1. the step that comes fifth in a major scale, sung as the syllable sol to practise
the step that comes fifth in a major scale, sung as the syllable sol to practise pitch and sight-singing
Eve practiced singing the note sol until her voice matched the piano perfectly.
sing + note + sol pattern
The music teacher asked Bao to start the scale from do and stop at sol.
scale: from do to sol
In choir warm-up, Christopher struggled to hit the sol note in tune with the rest of the group.
Pim wrote the sol-fa syllables — do, re, mi, fa, sol — across the top of the sheet music.
- soh
British spelling used in tonic sol-fa notation; same note, different orthographic convention
- fifth (note)
technical term for the fifth degree of a diatonic scale; broader than the sung syllable
用法筆記
In British tonic sol-fa notation, the fifth note is often written as 'soh' to distinguish it from the word 'sol' (sun). Different solmization systems may assign slightly different pitches to the syllable sol depending on the key.
常見錯誤
2. a fluid mixture in which tiny solid particles are dispersed throughout a liquid
a fluid mixture in which tiny solid particles are dispersed throughout a liquid without settling out or dissolving
The lab technician prepared a silica sol by stirring fine sand particles into a beaker of water.
prepared a [substance] sol
Walid watched the blue sol turn into a gel as the temperature of the solution dropped.
sol-to-gel transition
Under the microscope, Élise could see the solid particles floating freely inside the liquid sol.
The chemistry textbook explained that common paint is an example of a pigment sol suspended in a liquid binder.
- colloidal solution
broader term that includes both sols (solid-in-liquid) and other colloid types
- colloidal suspension
emphasises that the solid particles remain suspended rather than dissolved
- gel
a semi-solid colloid in which the liquid phase is trapped within a solid network; the opposite physical state of a sol
用法筆記
A sol may transition into a gel under certain conditions (temperature change, pH shift) — this sol-gel process is widely used in materials science. The plural form is 'sols.'
sol — abbreviation
1. a written short form of 'soluble', used in scientific labels and tables to indic
a written short form of 'soluble', used in scientific labels and tables to indicate that a substance can be dissolved in a liquid
The label on the reagent bottle read 'sol.' next to the list of water-friendly ingredients.
sol. on a label
Samir checked the sol. column on the chemical chart before choosing a solvent for the experiment.
sol. column in a table
The safety sheet used 'sol.' to mark chemicals that dissolve easily in water.
Ramón circled the sol. abbreviation on the label before adding the powder to the mixture.
用法筆記
Always written with a period (full stop) in scientific writing. Common in tables, safety data sheets, and chemical catalogues where space is limited.