gnomon

n.

（日晷的）指时针；

1. A stake used for this purpose was the earliest type of sundial and was called a gnomon.
   这种特定的标杆就是最早的一种日晷仪，人们称之为日晷仪标杆。

Pathognomonic cephalometric characteristics of Angle Class II Division 2 malocclusion.
Are there pathognomonic symptoms in schizophrenia? An empiric investigation of Schneider's first-rank symptoms.
Erythromelalgia: a pathognomonic microvascular thrombotic complication in essential thrombocythemia and polycythemia vera
Erythromelalgia: a pathognomonic microvascular thrombotic complication in essential thrombocythemia and polycythemia vera.
Fragility of the esophageal mucosa: a pathognomonic endoscopic sign of primary eosinophilic esophagitis?
A global shallow-water model using an expanded spherical cube: Gnomonic versus conformal coordinates
Sequential appearance and accumulation of pathognomonic markers in the central nervous system of hamsters orally infected with scrap...
Asymmetric septal hypertrophy. Echocardiographic identification of the pathognomonic anatomic abnormality of IHSS.
Interleukin-5 Expression in the Lung Epithelium of Transgenic Mice Leads to Pulmonary Changes Pathognomonic of Asthma
Phylogenetic placement and taxonomic review of the genus Cryptosporella and its synonyms Ophiovalsa and Winterella (Gnomoniaceae, Di...