Early childhood caries (ECC) has been defined as 'the presence of one or more decayed, missing due to caries, or filled tooth surfaces in any primary teeth in children under 6 years of age' [ 1, 2].
Maternal near miss has been defined as "a woman who nearly died but survived a complication that occurred during pregnancy, childbirth or within 42 days of termination of pregnancy" [ 26] but it is apparent that other, less severe, conditions are also critical when considering maternal health.
The concept of sustainable development has been defined as profitable.
This inability to explain a major part of the genetic influence by known genetic variations has been defined as 'missing heritability'.
Rondell White's career has been defined by what he has missed.
Noncompliance was defined as missing more than one scheduled visit or having at least one provider code for not taking medications as prescribed.
Loss to follow-up was defined as missing three consecutive pharmacy appointments.
A tooth root was defined as missing.
Genotypes less than 0.65 were defined as missing.
Missing variables of partly completed questionnaires were defined as missing values.
If the number of missing items was 4 or more, the total score was defined as missing.
