1. (noun) 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites

• s
• second

2. (noun) ratio of the hypotenuse to the adjacent side of a right-angled triangle

• secant

3. (noun) an independent federal agency that oversees the exchange of securities to protect investors

• securities and exchange commission

4. (adjective) (of champagne) moderately dry

• unsweet

1. (noun) 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites

• time unit
• unit of time

2. (noun) ratio of the hypotenuse to the adjacent side of a right-angled triangle

• circular function
• trigonometric function

3. (noun) an independent federal agency that oversees the exchange of securities to protect investors

• independent agency

1. (adjective) (of champagne) moderately dry

• dry

1. (noun) 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites

• leap second