Search Result for "building block":
Wordnet 3.0

NOUN (2)

1. a single undivided natural thing occurring in the composition of something else;
- Example: "units of nucleic acids"
[syn: unit, building block]

2. a block of material used in construction work; 



WordNet (r) 3.0 (2006):

building block
    n 1: a single undivided natural thing occurring in the
         composition of something else; "units of nucleic acids"
         [syn: unit, building block]
    2: a block of material used in construction work