American Heritage Dictionary
(3)
Century Dictionary
(8)
GNU Webster's 1913
(1)
WordNet
(2)
Elsewhere on the web
Smolla says that the case might also bring up the tangential issue of whether the paper will be required to disclose the identities of two anonymous sources who told the newspaper about the alleged relationship.— The BLT: The Blog of Legal Times
The narrative is too tangential, and the fated players, when not schizophrenic themselves, get lost in a web of interconnectivity.— Washington Square News RSS
Passages become tangential, as Strebeigh winds through his miles of research with committed intensity.— Yale Daily News: Latest Issue
Had such a piece appeared before the Heller decision, it might have been seen as one more attempt to undermine gun owner's rights by raising a tangential issue.— Across the Great Divide
Light rays lying in the tangential and sagittal planes are refracted differently and both sets of rays intersect the chief ray at different image points, termed the tangential line image (tangential focal plane) and the sagittal line image (sagittal focal plane; see Figure 2).

Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word several times a year.
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