- Pesticide
- Descriptor
- Wigner effect
- Descrambling
- Genotype
- Weak key
- Gangrene
- Cremaster
- Homeosis
- Final waste
- Weak opiate analgesic
- Isomer specificity
- Birefringence
- iPod Nano
- Gas pipeline
- Hertzsprung-Russell diagram
- Nozzle
- Nematocyte
- Cranium
- Myrmecophagy
- Hox gene
- Conjecture
- Endocrine system
- Inverted microscope
- Ureter
- Cyst
- Nodular
- GFP
- Premammalian
- Universal time