sweetener

sweet•en•er n.

something that sweetens, as sugar or a low-calorie synthetic product used instead of sugar.
an added inducement:such sweeteners as tax breaks and low-cost loans.

Collins Concise English Dictionary © HarperCollins Publishers::

sweetener /ˈswiːt^ənə/ n

sweet•en v.

to (cause to) become sweet: [~ + object]Add some brown sugar to sweeten the mix.[no object]As the wine ages it will gradually sweeten.
[~ + object] to make (the breath, air, etc.) sweet or fresh, as with a commercial product.
[~ + object] to remove sulfur and its compounds from (oil or gas).
Informal Termsto add to the value or attractiveness of (a business deal, proposal, etc.):[~ + object]The company sweetened its salary offer to her.

sweet•en•er, n. [countable]

sweet•en v.t.

to make sweet, as by adding sugar.
to make mild or kind;
soften.
to lessen the acridity or pungency of (a food) by prolonged cooking.
to reduce the saltiness of (a food or dish) by diluting with water, milk, or other liquid.
to make (the breath, room air, etc.) sweet or fresh, as with a mouthwash, spray, etc.
Music(in musical recording) to add musical instruments to (an arrangement), esp. strings for a lusher sound.
Chemistry
- to make (the stomach, soil, etc.) less acidic, as by means of certain preparations, chemicals, etc.
- to remove sulfur and its compounds from (oil or gas).
Informal Terms
- to enhance the value of (loan collateral) by including additional or especially valuable securities.
- to add to the value or attractiveness of (any proposition, holding, etc.).
Wineto add more liquor to (an alcoholic drink).
Games[Poker.]to add stakes to (a pot) before opening.

v.i.

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