S(sulphur)硫sabin沙平，赛宾（声吸收单位，相当于一平方英尺开窗的吸声量）sac囊，袋saccharascope发酵糖定量器saccharide糖，糖类saccharimeter糖定量器saccharimetry糖量测定法saccharin糖精，邻磺苯甲酰亚胺saccharinsodium糖精钠saccharo-糖saccharometer糖定量计saccharum糖，蔗糖sack包，袋，囊safe①安全的，保险的②保险箱safeguard保险器，防护设备safilight安全灯（暗室用）safelightlamp安全灯safetracerdosage安全示踪剂量safety①安全，保险②保险装置safetydevice安全装置safetyequipment安全设备safetyfunnel安全漏斗safetylamp安全灯safetylight安全信号灯safetyneedle安全别针safetyrazor保险刀sagittal矢状的sagittalsection矢状切面sagittalsaw矢状Sahlinrespirator萨林氏呼吸器sake理由，缘故，目的sal盐Salah'ssternalpunctureneedle萨勒氏胸骨穿刺针Sale销售，卖出salebysample凭货样销售salesconfirmation销售确认书salescontract销售合同salesperson售货人salient①显著的，突出的②凸出的salientpoletype凸极式salimeter盐液浓度计，盐液比重计saline盐水，含盐的salineneedle盐水针头salinesyringe盐水注射器salinity盐（浓）度，含盐量salinometer盐量测定计，盐液密度计saliva涎，唾液salivaaspirator涎吸引器，排唾液器salivaejector排涎器，吸唾液器salivapump牙泵，排涎器salpingo-①输卵管②咽鼓管salpingocatheterism输卵管导管插入法salpingography输卵管造影术salpingoscope咽鼓管镜salpingoscopy咽鼓管镜检查salpinx管saltbridge盐桥salt-dye盐类染料saltingout盐析，加盐分离salve软膏，油膏salvedressing软膏敷裹salvemull药布samarium(abbr.Sm;Sa)钐samephase同相位sample①样品，标本②样本samplebottle样品瓶samplechamber样品测量仪samplechanger标本转换器sampledish样器碟sampleharvester标本采集器sampleinjector加样注射器samplemill样品磨sampler采样器，取样器samplermicropipet取样用微量吸管sampling采样，取样，抽样samplingaction采样，抽样samplingelectrode取样电极samplingerror取样误差samplinginspection取样检查samplinginstrument采样器samplingratemeter抽样率计samplingreport样品报告samplingtechnique抽样技术samplingtube采样管sand沙，沙土sandbag沙囊，沙袋sandpaper沙纸sandpaperstrip沙纸磨带sandstoneneedle砂石针sanitarium疗养院，疗养所sanitarybelt卫生带sanitaryglove卫生手套sanitarylegislation卫生法规sanitarytowel卫生带sanitation环境卫生sapo肥皂，皂saponification皂化作用saponificationnumber皂化值saponifier皂化剂sarco-肉，肌sarcoma弹簧刀，肌切开刀satisfactory满意的，良好的saturated饱和的saturatedcalomelelectrode饱和甘汞电极saturatedsolution饱和溶液saturation饱和，饱和状态saturationpoint饱和点saturator饱和器Saturday(abbr.Sat.)星期六save救，节约，储存save-all①节生器，节约装置②防溅器saver节约器，节约装置saw锯sawguide锯导子sawhandle锯柄sawshape锯形sawtooth锯齿，锯齿状的sawtoothgenerator锯齿波发生器wawtoothsweep锯齿波扫描Sayre'sapparatus塞尔式吊架（使用石膏背夹时，用以悬吊病人的器械）Sayre'sba