From X chromosome, so named by Hermann Henking in 1890 because it had some baffling properties.
Xx Sentence Examples
About the year 260 an Egyptian bishop, Nepos, in a treatise called 'XEyxos 6,XX yoptarCnv, endeavoured to overthrow the Origenistic theology and vindicate chiliasm by exegetical methods.
Ahab, I Kings xx.
The linear invariant a s is such that, when equated to zero, it determines the lines ax as harmonically conjugate to the lines xx; or, in other words, it is the condition that may denote lines at right angles.
A full account of his literary activity and ecclesiastical troubles will be found in Abbe Albert Houtin's La Question biblique au XIX e siècle (Paris, 2nd ed., 1902) and La Question biblique au XX e siècle (Paris, 1906), but the latter especially is largely unfair to the conservatives and sadly lacking in religious feeling.
We need not suspect Christian influences, but the parallelism of Rev. xx.