Blend and dissolve are easily confused because both involve mixing, but they pull opposite ways. Blend is to mix two or more things into one smooth, uniform whole. Dissolve is for a single solid to break down and lose its shape into a liquid, or for a body like a company or parliament to be formally ended. Blend combines several into one; dissolve breaks one down until it is gone.
Both belong to the kitchen and the lab, which is why they are mixed up. Blend takes separate things and works them into one uniform mixture — colours, flavours, styles. Dissolve takes one solid and lets it lose its shape into a liquid, or ends a body so it no longer stands — a sugar cube into water, a parliament before an election. You blend two colours into a new one; you dissolve a cube in a glass. One builds a whole from several; the other unmakes one into nothing solid.
blend
To blend is to mix things so thoroughly that they form one smooth, even whole with no visible join — flavours blend, colours blend, voices blend into harmony. From the Old Norse blanda, 'to mix'. Unlike things that merely combine and stay distinct, what blends loses its separate edge; and to blend in is to match your surroundings so closely you go unnoticed. A blend is also the noun for the result you can merge from parts kept in set proportions: a coffee blend, a blend of styles.
dissolve
To dissolve is for a solid to break apart into a liquid until it disappears into it — sugar dissolves in water — or, by extension, for something to fade out or be formally ended (a marriage, a company, a parliament is dissolved). From the Latin dissolvere, 'to loosen apart', from solvere 'to loosen', the root of solve and solvent. A substance dissolves when its particles separate and spread evenly through the liquid — the reverse of what happens when droplets coalesce. Governments dissolve; tension dissolves; a crowd can dissolve into laughter.
| blend | dissolve | |
|---|---|---|
| Meaning | mix several into one uniform whole | break down into liquid; formally end |
| Direction | several into one | one into none (loses its shape) |
| Needs | two or more things to mix | a solid and a liquid, or a body to end |
| Often with | colours, flavours, sounds, styles | sugar, parliament, a company, a marriage |
| Noun | a blend / blending | dissolution |
| Example | Blend the two colours. | The sugar dissolved. |
Ask whether several become one, or one comes undone. Blend mixes two or more things into a single uniform whole — blue and yellow into a new green. Dissolve takes one solid and lets it lose its shape into a liquid, or ends a body until nothing stands — a sugar cube clouding away in water. If several things merge into one, that is blend; if one thing breaks down and vanishes into liquid, that is dissolve.
blend
- iBlend the flour and butter into a smooth paste.
- iiThe composer blends jazz and classical into one style.
- iiiThe paint blends two shades into a single grey.
dissolve
- iStir until the sugar dissolves completely.
- iiThe prime minister asked the monarch to dissolve parliament.
- iiiThe partnership was dissolved after thirty years.
The overlap is in the kitchen: you blend several ingredients together, but you dissolve one solid into a liquid. Blend always needs two or more things and makes a mixture; dissolve needs a solid and a solvent (or a body to end) and makes the solid disappear. Note dissolve's formal sense — dissolving a company or parliament — which blend never carries.
A genuinely confused pair in academic and everyday English. Use blend for combining two or more things into a uniform mixture ('blend the ingredients', 'a culture that blends traditions'); use dissolve for a single solid losing its shape in a liquid ('dissolve the salt in water') or for formally ending a body ('dissolve parliament', 'the marriage was dissolved'). Examiners notice the difference: blend takes several things and makes one, while dissolve takes one thing and unmakes it. The nouns are a blend and dissolution.