Vocabulary

carbon offset

verification of the authenticity of a document (e.g. by seal or handwriting)

Hexanchidae (family with four species and three genera of cow sharks characterized by either one or two additional pairs of gill slits)

Heptranchias (genus of cow shark containing the sharpnose seven-gill shark as its only member)

sharpnose sevengill shark (Heptranchias perlo)

Notorynchus (genus of cow sharks)

broadnose sevengill shark (Notorynchus cepedianus, species of circumglobal cow shark with 7 gill slits)

Hexanchus (genus of sixgill sharks)

bigeyed sixgill shark (Hexanchus nakamurai)

Actinopterygii (class of the ray-finned fishes)

Acanthurus (genus of surgeonfishes and tangs)

Ctenochaetus (genus of bristletooth tangs)

chevron tang (Ctenochaetus hawaiiensis, species of bristletooth tang from the Pacific); black surgeonfish; Hawaiian kole; Hawaiian surgeonfish

striped-fin surgeonfish (Ctenochaetus marginatus, species of bristletooth tangs from the Pacific); blue-spotted bristletooth

Tomini surgeonfish (Ctenochaetus tominiensis, species of bristletooth tang from the Western Central Pacific)

Naso (genus of tropical marine surgeonfishes)

spotted unicornfish (Naso brevirostris, species of Indo-Pacific tang)

elegant unicornfish (Naso elegans)

humpback unicornfish (Naso brachycentron, species of Indo-Pacific tang)

slender unicorn (Naso minor, species of Indo-West Pacific tang found from Mozambique to the Philippines); blackspine unicornfish; little unicorn

gray unicornfish (Naso caesius, species of Pacific tang)

spotted unicornfish (Naso maculatus)

bignose unicornfish (Naso vlamingii, species of Indo-pan-Pacific tang)

squarenose unicornfish (Naso mcdadei)

sleek unicornfish (Naso hexacanthus, species of Indo-Pacific tang); sleek unicorn; blacktongue unicorn; Thorpe's unicornfish; nohorn unicorn

humpnose unicornfish (Naso tuberosus, species of Indo-Pacific tang)

commutative ring

masala (mixture of spices used in Indian cooking)

in these times; in times likes these; the season being what it is

dropping off-line to eat

chasing one another; playing tag

thirst; craving; desire

escrima (Filipino martial art)

one's heart

sequel

arnis (Filipino marshal art)

part of a lock that receives the latch; keeper; strike

lecture materials

bifocal lens

bifocal glasses; bifocals