Sentence:  For such products, a <WSD>semipositive</WSD> mold is designed (Fig. 1.1.14), with the flash at a right angle to the direction of pressure. 
Meaning of the word marked with <WSD> tags:  A type of compression mold for plastics that allows for excess powder and flash, as in an open flash mold, but which allows for lower melt viscosities as in a fully positive mold.