| TON | the present or immediately coming night |
|---|---|
| TON | during the night of the present day |
| TON | tall tropical South American tree having pulpy egg-shaped pods of fragrant black almond-shaped seeds used for flavoring |
| TON | fragrant black nutlike seeds of the tonka bean tree |
| TON | tall tropical South American tree having pulpy egg-shaped pods of fragrant black almond-shaped seeds used for flavoring |
| TON | a tax imposed on ships that enter the US |
| TON | a tax imposed on ships that enter the US |
| TON | a unit of weight equivalent to 1000 kilograms |
| TON | antiarrhythmic drug (trade name Tonocard) used to treat ventricular arrhythmias when less dangerous drugs have failed |
| TON | measuring instrument for measuring tension or pressure (especially for measuring intraocular pressure in testing for glaucoma) |
| TON | a large number or amount |
| TON | either of two masses of lymphatic tissue one on each side of the oral pharynx |