| Calculus of residues | How to clean up a bathtub ring |
| Catoptric | Feline eye |
| Coma | Italian: multi-toothed device for re-arranging ones hair |
| Commutator | Student who drives to college |
| Conic section | Funny paper |
| Corona | Officer who enquires into the manner of a violent death |
| Cosine | Opposite of stop sign |
| Cusp | to use profane language |
| Exit pupil | A retiring student |
| Flux | Past participle of the verb 'to flex' |
| Gram | To review for exams |
| Grand canonical ensemble | Ecumenical council |
| Graph | Priciple item in cow's diet |
| Ground state | Coffee - before brewing |
| Harmonic function | Concert |
| Hermitian operator | Recluse surgeon |
| Humbug | Noisy phone tap |
| Hypotenuse | Animal like rhinoseros but with no horn and no nose |
| Len | Singular of lens, specifically a one surfaced optical instrument |
| Marinal ray | A ray of doubtful origin |
| Millimetre | A bug like a centimetre, but with more legs |
| Normal solution | Wrong answer |
| Orifice | Headquarters or place of business |
| Paradox | Pair of PhDs |
| Spectra | A female ghost |
| Sphere | A long pointed weapon |
| Spin operator | Owner of ferris whell |
| Statistical correlation | 36-22-35 |
| Torque | Conversation |
| Ultraviolet catastrophe | Bad sunburn |
| Vortex | Point of a mathematical figure opposite the base |
| Watt | Please repeat |