Terms beginning with:

Terms beginning with

x-axis: x-axis; n(m/f); x-axis - x-axis poss cx-axes - x-axes pl; on the x-axis air an x-axis; Subject: Mathematics
x-term: teirm-x; n(f); x-term - teirm-x poss cx-terms - teirmean-x pl; Subject: Mathematics
xenon: senon; n(m); xenon - senoin poss c; Subject: Science
xylophone: saidhleafon; n(m); xylophone - saidhleafon poss cxylophones - saidhleafonan pl; Subject: Music