sychdarthiad

== Welsh == === Etymology === From sychdarthu (“to sublimate”) +‎ -iad or sych (“dry”) +‎ tarthiad (“evaporation”). === Pronunciation === IPA(key): /səχˈdarθjad/, [səχˈtarθjad] === Noun === sychdarthiad m (plural sychdarthiadau, not mutable) (chemistry, countable) sublimation ==== Usage notes ==== A morphologically derived deverbal noun, such as this entry, is a countable noun. The corresponding uncountable verbal noun is attained in Welsh by employing the verbnoun or dictionary form of the related verb as a masculine singular noun. === See also === === References === Delyth Prys; J.P.M. Jones; Owain Davies; Gruffudd Prys (2006), Y Termiadur: termau wedi'u safoni; standardised terminology‎[1] (in Welsh), Cardiff: Awdurdod cymwysterau, cwricwlwm ac asesu Cymru (Qualifications curriculum & assessment authority for Wales), →ISBN