DTD 
(dē′tē-dē)
(dē′tē-dē)n.
A set of rules for marking up a document in SGML.
[D(ocument) T(ype) D(efinition).]
- alpha helix
- alpha-hydroxy acid
- alpha interferon
- alphameric
- alphanumeric
- alphanumerical
- alphanumerically
- alpha particle
- alpha privative
- alpha ray
- alpha-receptor
- alpha-synuclein
- alpha-tocopherol
- alpha wave
- Alpheus
- Alphonse
- Alphonse
- Alphonse
- Alphonse Marie Louis de Prat de
- alphorn
- alphorn
- alpine
- alpinism
- alpinist
- alprazolam