| SPEC | Informal or short word either for a technical standard or a description of an invention for which a patent is sought (4) |
| PUD | Informal or short word for a sweet course or dish, such as apple pie, Eton mess or roly-poly (3) |
| SNAP | Word either for a ginger biscuit or thin; a cold spell; a card game; or, a quick or informal photo (4) |
| SCRAP | Word either for a harmless jot, leftover morsel, rag, shred or tatter; or, an out-and-out strip-tearing brawl, bundle, dust-up or scuffle (5) |
| WIFI | Technical standards for data transmission (abbr) (2-2) |
| PARAGON | Word for a touchstone for testing the purity of gold or silver originally, later a perfect example or gold standard; or, a flawless diamond (7) |
| SPECIFICATION | Description of an invention when applying for a patent (13) |
| DROPLEAF | Table where the sides lower down - and a description of an item of foliage falling in autumn, say! (4-4) |
| JOBURG | Informal or short name for the largest city in South Africa (6) |
| BANDONTHERUN | The best-selling studio album of 1974 in the UK, by Paul McCartney and Wings; a description of an active Fanfara dei Bersaglieri ensemble in the Italian army |
| TKO | What is the abbreviation for a technical knockout? (1,1,1) |
| ORATE | Speak for a technical insider (5) |
| NORM | Standard, or a barfly on Cheers (4) |
| SONATA | Piece of music written either for a single instrument, or for one instrument and a piano (6) |
| PATENT | Government grant to an inventor to manufacture, use or sell an invention for a limited period (6) |
| ONCEUPONATIME | Words that launch an invention for children? (4,4,1,4) |
| ANYHOO | *Subject-changing segue word (either spelling is new) |
| COMMONCORE | Set of educational standards ... or a hint to 17-, 23-, 34- and 46-Across |
| COMB | Crest of a cockerel; top of a wave; or, short word for a structure made by bees for storing honey (4) |
| GLOSS | Lustre; paint or cosmetic with a shiny finish; or, short word for a mini dictionary or lexicon of terms peculiar to field of knowledge (5) |
