| METRIC | ___ system, a decimal one of weights and measures (6) |
| PTOLEMAIC | The ___ system, a model of the universe with Earth at its centre, is named after the Alexandrian astronomer who formulated it (9) |
| STANDARD | Originally a flag raised on a pole as a rallying point for soldiers, later a flag generally; a fixed scale of weights and measures; or, any established level of excellence or quality (8) |
| POINTS | --- system, a method for determining the winner of a cricket series involving multiple formats of matches (6) |
| IMPERIAL | What was the system of weights and measures in use before the decimal system? (8) |
| METRE | Basic unit of length, according to the International Bureau of Weights and Measures |
| TALENT | Ancient measure of weight and unit of currency, used by the Greeks and Romans (6) |
| DEFAME | Back in the system, a federalist admitted libel (6) |
| RIATAS | Horse equipment and measures of thickness (6) |
| SHEKEL | Biblical measure of weight and money (6) |
| TAICHI | Chinese system a bind said Greek character |
| METROLOGY | Science of weights and measures |
| TELLEN | One of the bivalve molluscs to count and measure |
| ASSAYS | Weighs and measures |
| AMBER | Once part of a tree's immune system, a gem occurring in colours from yellow and orange to red and brown (5) |
| SCALE | Weights and Measures inspector's concern |
| DOSTOYEVSKY | Author of computing system, a plaything for even half a TV outfit (11) |
| EXTENUATE | Mitigate report of former decimal one devoured (9) |
| TRACTION | Use of weights and pulleys to heal a fracture (8) |
| ASTRONOMER | Like system of weights and Hebrew dry measure for stargazer (10) |
