| PAIR | Meaning "equal", a set of two matching things forming a unit, such as binoculars, jeans, scissors, spectacles or tongs; or, a boat for a couple of sweep rowers (4) |
| BATCH | Number of things forming a group (5) |
| LENGTH | Linear extent or measurement of a unit such as an inch or a mile (6) |
| UNRECOGNISABLE | Unable to be identified as binoculars Gene used (14) |
| OWL | Its eyes act as binoculars |
| MEASURE | Quantity; unit such as a yard or a foot; a bar of music; an old word for a dance; or, poetic rhythm (7) |
| STANZA | What is a group of lines forming a unit of a poem? (6) |
| REGIMENTAL | Of a military unit such as the Coldstream Guards |
| VISCOSITY | Internal friction of a fluid that resists the tendency to flow, measured in units such as the reyn and centipoise (9) |
| ENSUITE | As part of a set; forming a unit (2,5) |
| EMBRACE | Hold me back with a set of two (7) |
| ISOBRONT | Meaning "equal thunder", a line on a weather chart connecting points of simultaneous storm development (8) |
| PHRASALVERB | Grammatical unit such as blow over or put up with |
| RAILBUS | Lightweight diesel unit such as preserved No. W79978 (7) |
| ISOTHERM | From the Greek meaning "equal heat", a contour line on a weather map joining places with the same temperature (8) |
| HIS | Like the larger of two matching watches |
| MAINFRAME | Large computer known for its high-speed data processing abilities, its input/output units (such as large-capacity disks and printers), and, historically, the remote terminals used to access it. It's u |
| METAMER | One of two matching colors with different spectra |
| TWIN | One of two matching beds |
| REGIMENTS | Army units such as those named on 'Royal Scots' 46147 and 46149 (9) |