tab¹ /tab/

1. A small tag, flap or strap attached to something
2. A loop for hanging something up by, etc
3. A loop for drawing a stage curtain
4. Hence, a stage curtain
5. The insignia distinguishing a staff officer, on the collar of his or her uniform (military)
6. A small auxiliary aerofoil on eg a rudder or aileron, which helps control the aircraft in flight
7. A cigarette (N Eng sl)
8. A ring pull (N American)
9. The bill, tally, cost, check (chiefly N American)

To fix a tab to

tabbed adjective

keep tabs on see under keep

pick up the tab (chiefly N Am inf)

To pay the bill

tab² /tab/

Short for (typewriter) tabulator (see under tabular)

Short for tabulate under tabular

To move to the next tab stop

tab character noun (computing)

A control character that causes movement to the next tab stop

tab key noun (computing)

A key that inserts the tab character

tab stop noun (computing)

A point reached, eg by a cursor, when the tab key is pressed

• optical fibres
• optical illusion
• optical illusions
• optically
• optical maser
• optical masers
• optical microscope
• optical pumping
• optical spectra
• optical spectrum
• optical splitter
• optical splitters
• optical telescope
• optical tweezers
• optic axes
• optic axis
• optic disc
• optic discs
• optician
• opticians
• optic lobe
• optic lobes
• optic nerve
• optic nerves
• optics