( ( The ( evaporation process ) ) ( ( ( ( is simply ) ( ( the ( net loss ) ) ( of ( water ( from ( a surface ) ) ) ) ) ) ( by ( means ( of ( ( a change ) ( in ( state ( of ( water ( from ( liquid ( to vapor ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN evaporation) (NN process)) (VP (VBZ is) (ADVP (RB simply)) (NP (NP (DT the) (JJ net) (NN loss)) (PP (IN of) (NP (NP (NN water)) (PP (IN from) (NP (DT a) (NN surface)))))) (PP (IN by) (NP (NP (NNS means)) (PP (IN of) (NP (NP (DT a) (NN change)) (PP (IN in) (NP (NP (NN state)) (PP (IN of) (NP (NP (NN water)) (PP (IN from) (NP (NP (NN liquid)) (PP (TO to) (NP (NN vapor)))))))))))))) (. .)))
The evaporation process is simply the net loss of water from a surface by means of a change in state of water from liquid to vapor.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (JJ liquid) (NN water) (NNS changes)) (VP (TO to) (VP (VB water) (NP (NN vapor)))))) (NP (PRP it)) (VP (VBZ is) (VP (VBN called) (NP (NN evaporation)))) (. .)))
When liquid water changes to water vapor it is called evaporation.