| ISOHEL | A line on a map connecting places with an equal period of sunshine |
| ISOCHRONE | Line on a map connecting places with an equal time-distance from a given point (9) |
| EXPONENTIALDECAY | *Process where equal percentages are lost in equal periods of time (as with radioactive particles) |
| SEASON | One of the four equal periods into which the year is divided (6) |
| DISPLAYS | Models slip out during periods of sunshine (8) |
| ISOHYET | Line on a map connecting places with equal rainfall |
| ISOTHERE | Line on a map connecting places with the same mean summer temperature (8) |
| ISOBAR | A line on a map connecting places of equal atmospheric pressure (6) |
| ISOPLETH | A line on a map connecting places registering the same amount or ratio of some geographical or meteorological phenomenon (8) |
| ISOBARS | Lines on maps connecting places with the same atmospheric pressure (7) |
| CORTADO | From Spanish for "chopped up", a drink of espresso split with an equal amount of steamed milk, often served in a Gibraltar glass (7) |
| ISOTHERM | A line on a map joining places of equal temperature |
| ISOPACH | In geology, a line on a map connecting points of equal stratigraphic thickness (7) |
| DRAW | Finish a game with an equal number of points, goals, etc. (4) |
| CIDER | Alcoholic drink mixed with an equal quantity of lager to make a snakebite (5) |
| ISOBRONT | Meaning "equal thunder", a line on a weather chart connecting points of simultaneous storm development (8) |
| ROUGHPLAN | Violent place with an idea written on the back of a cigarette packet (5,4) |
| NODES | Connecting places with lines between poles (5) |
| PARITY | With an equal mix of Democrat and Republican voters |
| SKIDROW | Small child with a line on a bad part of town (4,3) |
